{"product_id":"pure-nmn-500mg-60-capsules-30-day-supply","title":"NMN Complex Capsules (120ct)","description":"\n\u003cp\u003e\u003cstrong\u003e500 mg of pure β-NMN per capsule\u003c\/strong\u003e — the most-studied oral NAD+ precursor at the dose used in the majority of published human trials. 99%+ HPLC-verified β-anomer, no fillers, no proprietary blends, vegan capsule. The standard starting point for anyone new to longevity supplementation, and the dose that anchors most of the NMN clinical literature.\u003c\/p\u003e\n\n\u003ch2\u003eThe 30-second answer\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheapest, most-studied entry into NAD+ support.\u003c\/strong\u003e 500 mg is the dose used across Yoshino 2021 \u003cem\u003eScience\u003c\/em\u003e, Yi 2022 \u003cem\u003eGeroScience\u003c\/em\u003e, Igarashi 2022 \u003cem\u003enpj Aging\u003c\/em\u003e, Liao 2021 \u003cem\u003eJ Int Soc Sports Nutr\u003c\/em\u003e, and most of the published human work — not a marketing dose, the trial dose.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne capsule, daily, with breakfast.\u003c\/strong\u003e 60-capsule bottle = 30-day supply. NAD+ rise plateaus around week 4–8 of consistent dosing (Yoshino 2021).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest paired with \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\"\u003eResveratrol 600 mg\u003c\/a\u003e.\u003c\/strong\u003e NMN raises NAD+, Resveratrol activates the SIRT1\/SIRT3 sirtuin enzymes that \u003cem\u003euse\u003c\/em\u003e NAD+. The classic substrate-plus-activator longevity stack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMove up to \u003ca href=\"\/he\/products\/nmn-1000mg-pure-focus-formula-cellular-rejuvenation\"\u003eNMN 1000 mg\u003c\/a\u003e\u003c\/strong\u003e if you're 50+, training hard, or didn't notice a shift at 500 mg after 6–8 weeks of daily use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e99%+ HPLC-tested β-NMN\u003c\/strong\u003e — the bioactive anomer. Per-batch third-party COA, heavy-metals\/microbial\/residual-solvents panel, vegan HPMC capsule, no titanium dioxide, no magnesium stearate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy NMN sits at the center of the longevity conversation\u003c\/h2\u003e\n\u003cp\u003eNAD+ — nicotinamide adenine dinucleotide — is the coenzyme your cells use for mitochondrial energy production, DNA repair, sirtuin signaling, and circadian regulation. It's not optional. Every cell needs it constantly.\u003c\/p\u003e\n\n\u003cp\u003eNAD+ levels fall sharply with age. \u003cstrong\u003eMassudi 2012\u003c\/strong\u003e (\u003cem\u003ePLOS ONE\u003c\/em\u003e) measured a roughly 50% drop in skin NAD+ between age 30 and 70. \u003cstrong\u003eYoshino 2011\u003c\/strong\u003e (\u003cem\u003eCell Metabolism\u003c\/em\u003e) replicated multi-tissue NAD+ decline across muscle, liver, and adipose in mammals. \u003cstrong\u003eCamacho-Pereira 2016\u003c\/strong\u003e (\u003cem\u003eCell Metabolism\u003c\/em\u003e) traced part of the decline to rising CD38 (an NAD+ \"consumer\" enzyme) with age. The López-Otín 2013 (\u003cem\u003eCell\u003c\/em\u003e) and updated 2023 hallmarks-of-aging frameworks both list mitochondrial dysfunction and dysregulated nutrient sensing among the twelve hallmarks — and NAD+ is downstream of both.\u003c\/p\u003e\n\n\u003cp\u003eThat gives you three strategic interventions:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply more NAD+ precursor\u003c\/strong\u003e — NMN, NR, NAD+ itself. This product.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduce NAD+ consumers\u003c\/strong\u003e — Apigenin (CD38), Quercetin\/Fisetin (PARP, senescent-cell load), CD38 inhibitors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActivate downstream sirtuins\u003c\/strong\u003e — Resveratrol, Pterostilbene (SIRT1 activators).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA complete protocol does all three. NMN is the most-studied form of strategy 1.\u003c\/p\u003e\n\n\u003ch2\u003eMechanism — what NMN actually does inside the cell\u003c\/h2\u003e\n\n\u003ch3\u003e1. The NMN → NAD+ conversion pathway\u003c\/h3\u003e\n\u003cp\u003eNMN sits one enzymatic step away from NAD+. Inside the cell, NMNAT (nicotinamide mononucleotide adenylyltransferase) adds an AMP group to NMN and you have NAD+. Three isoforms — NMNAT1 (nucleus), NMNAT2 (cytoplasm\/Golgi), NMNAT3 (mitochondria) — distribute the conversion across compartments, which is why NMN supplementation tends to raise NAD+ in tissues where NR cannot reach as efficiently.\u003c\/p\u003e\n\n\u003cp\u003eBefore that step, NMN has to enter the cell. Two routes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlc12a8 — the direct NMN transporter.\u003c\/strong\u003e \u003cstrong\u003eGrozio 2019\u003c\/strong\u003e (\u003cem\u003eNature Metabolism\u003c\/em\u003e) identified Slc12a8 in the small intestine as a sodium-dependent transporter that moves NMN intact across the cell membrane. This is the most distinctive feature of NMN versus NR: a dedicated transporter for the molecule itself, with no requirement to dephosphorylate first.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtracellular CD73 conversion.\u003c\/strong\u003e CD73 is an ectonucleotidase that strips the phosphate off NMN, producing NR. The resulting NR enters cells via ENT1\/ENT2 transporters and is rephosphorylated back to NMN inside the cell by NRK1 or NRK2. So even when Slc12a8 is saturated or absent (some tissues), NMN can still convert to NAD+ via the NR pathway.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat redundancy is why NMN works in tissues where NR alone might not — and why direct NAD+ rise from oral NMN has now been documented in multiple human trials.\u003c\/p\u003e\n\n\u003ch3\u003e2. Sirtuins — the longevity-linked enzymes that consume NAD+\u003c\/h3\u003e\n\u003cp\u003eSeven sirtuins (SIRT1–SIRT7), all of them NAD+-dependent. SIRT1 deacetylates p53, FOXO1\/3, PGC-1α, and dozens of other regulatory targets — including many of the proteins that govern stress response and metabolism. SIRT3 sits inside mitochondria and deacetylates SOD2 (the manganese superoxide dismutase that handles mitochondrial reactive oxygen species), increasing antioxidant capacity. SIRT6 maintains genome stability and telomere integrity.\u003c\/p\u003e\n\n\u003cp\u003eThe catch: every sirtuin reaction \u003cem\u003econsumes\u003c\/em\u003e one molecule of NAD+. Without enough NAD+, sirtuins down-regulate. \u003cstrong\u003eImai \u0026amp; Guarente 2014\u003c\/strong\u003e (\u003cem\u003eTrends in Cell Biology\u003c\/em\u003e) framed this as the core \"NAD+ World\" hypothesis — sirtuin output is directly NAD+-supply limited. \u003cstrong\u003eMendelsohn \u0026amp; Larrick 2017\u003c\/strong\u003e reviewed the supply-side evidence and concluded that raising NAD+ is the single most direct lever on sirtuin throughput.\u003c\/p\u003e\n\n\u003cp\u003eThis is why NMN pairs so well with \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\"\u003eResveratrol\u003c\/a\u003e: NMN raises substrate, Resveratrol enhances SIRT1's affinity for that substrate. \u003cstrong\u003ePacholec 2010\u003c\/strong\u003e (\u003cem\u003eJBC\u003c\/em\u003e) showed Resveratrol's SIRT1 effect is substrate-mediated; without enough NAD+, the activator doesn't have anything to activate.\u003c\/p\u003e\n\n\u003ch3\u003e3. PARP enzymes — the DNA-damage NAD+ sink\u003c\/h3\u003e\n\u003cp\u003ePARP1 and PARP2 use NAD+ to attach poly-ADP-ribose chains to proteins at DNA damage sites — the first responders to single- and double-strand breaks. Each PARP1 activation event burns through tens to hundreds of NAD+ molecules in seconds. Chronic DNA damage from oxidative stress, UV, smoking, and aging drives chronic PARP1 activation, which depletes the cellular NAD+ pool faster than the salvage pathway can replenish it.\u003c\/p\u003e\n\n\u003cp\u003eNMN supplementation directly addresses this depletion by widening the supply side. \u003cstrong\u003eBai 2011\u003c\/strong\u003e (\u003cem\u003eCell Metabolism\u003c\/em\u003e) demonstrated PARP1-knockout mice have higher NAD+ and SIRT1 activity, confirming PARP1's central role as an NAD+ sink. \u003cstrong\u003eFang 2014\u003c\/strong\u003e (\u003cem\u003eCell\u003c\/em\u003e) extended this to ataxia-telangiectasia models, where NMN restored mitochondrial homeostasis specifically through NAD+ rescue.\u003c\/p\u003e\n\n\u003ch3\u003e4. CD38 — the age-rising NAD+ consumer\u003c\/h3\u003e\n\u003cp\u003eCD38 is a glycohydrolase that cleaves NAD+ into nicotinamide + ADP-ribose. \u003cstrong\u003eCamacho-Pereira 2016\u003c\/strong\u003e (\u003cem\u003eCell Metabolism\u003c\/em\u003e) showed CD38 expression rises sharply with age, driving a substantial portion of the age-related NAD+ decline. CD38-knockout mice have 20–30× higher NAD+ than wild-type at the same age.\u003c\/p\u003e\n\n\u003cp\u003eYou can attack the problem from both ends: raise input (NMN) and reduce loss (Apigenin, Quercetin — both natural CD38 inhibitors). \u003cstrong\u003eEscande 2013\u003c\/strong\u003e (\u003cem\u003eDiabetes\u003c\/em\u003e) demonstrated Apigenin's CD38-inhibitory effect raises tissue NAD+ in vivo. This is why the catalog pairs NMN with \u003ca href=\"\/he\/products\/apigenin-50mg-cd38-inhibitor-nad-preservation\"\u003eApigenin\u003c\/a\u003e in the senior protocol.\u003c\/p\u003e\n\n\u003ch3\u003e5. The mitochondrial NAD+ pool — separately compartmentalized\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLuongo 2020\u003c\/strong\u003e (\u003cem\u003eNature\u003c\/em\u003e) identified SLC25A51 as the mitochondrial NAD+ transporter — the gate that decides how much cytosolic NAD+ reaches the mitochondrial matrix. This matters because mitochondrial NAD+ feeds the electron transport chain and SIRT3-driven antioxidant defense, and it's a partially separate pool from cytosolic NAD+.\u003c\/p\u003e\n\n\u003cp\u003eNMN raises both pools. The mitochondrial NMNAT3 enzyme converts mitochondrial NMN to mitochondrial NAD+ directly, in addition to whatever crosses via SLC25A51. \u003cstrong\u003eYoshino 2021\u003c\/strong\u003e (\u003cem\u003eScience\u003c\/em\u003e) measured muscle NAD+ rise in postmenopausal prediabetic women on 250 mg\/day NMN for 10 weeks — confirming tissue-level (not just blood) NAD+ delivery in humans.\u003c\/p\u003e\n\n\u003ch3\u003e6. The methylation pool — why TMG eventually matters\u003c\/h3\u003e\n\u003cp\u003eNAD+ is recycled through the salvage pathway: NAD+ → nicotinamide (NAM) → back to NMN → back to NAD+, with NAMPT (nicotinamide phosphoribosyltransferase) as the rate-limiting enzyme. The leak in this loop: nicotinamide can also be methylated to 1-methylnicotinamide (1MNA) by NNMT (nicotinamide N-methyltransferase) and excreted in urine.\u003c\/p\u003e\n\n\u003cp\u003eNNMT pulls a methyl group from S-adenosylmethionine (SAM) every time it methylates a NAM molecule. At high NMN doses (especially 1000 mg+), this can measurably draw on the methylation pool — the same pool used for DNA methylation, histone methylation, neurotransmitter synthesis, and homocysteine clearance.\u003c\/p\u003e\n\n\u003cp\u003eAt 500 mg\/day this is not a clinical concern. At 1000 mg\/day in someone with an MTHFR variant, or at 2000 mg\/day in anyone, methylation support starts to matter. \u003ca href=\"\/he\/products\/tmg-1000mg-trimethylglycine-methyl-donor-for-nmn-nad-stacks\"\u003eTMG 1000 mg\u003c\/a\u003e (trimethylglycine, also called betaine) is the cleanest methyl donor — it gives back what NNMT spends. \u003cstrong\u003eOlthof 2003\u003c\/strong\u003e and \u003cstrong\u003eMcRae 2013\u003c\/strong\u003e document TMG's homocysteine-lowering effect through this exact mechanism.\u003c\/p\u003e\n\n\u003cp\u003eIf you're starting at 500 mg, you don't need TMG yet. If you stay at 500 mg long-term, you still probably don't. But if you eventually move to 1000 mg or stack NMN with NR, add TMG.\u003c\/p\u003e\n\n\u003ch2\u003eThe β-anomer — what \"pure β-NMN\" actually means\u003c\/h2\u003e\n\u003cp\u003eNMN exists as two anomers: α and β. Only the β-anomer is bioactive — only β-NMN is the substrate that NMNAT recognizes and converts to NAD+. The α-anomer is a structural variant that takes up bottle space and contributes nothing.\u003c\/p\u003e\n\n\u003cp\u003eCheap NMN often comes as a mix of α and β, with the β fraction sometimes as low as 60–80%. Two product-quality consequences:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou get less active dose than the label says.\u003c\/strong\u003e 500 mg of \"NMN\" at 75% β-purity is 375 mg of usable NMN.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStability is worse.\u003c\/strong\u003e α-NMN tends to degrade faster, especially in heat or humidity, which can drag the β fraction down further by the end of shelf life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product is HPLC-tested for ≥99% β-NMN purity per batch, with the certificate of analysis available on request and posted to \u003ca href=\"\/he\/pages\/coa\"\u003eour COA page\u003c\/a\u003e. Heavy metals (lead, arsenic, cadmium, mercury), residual solvents, and microbial contamination panel are all run per batch and certified within USP-acceptable limits.\u003c\/p\u003e\n\n\u003ch2\u003eClinical evidence — the trials that anchor 500 mg\u003c\/h2\u003e\n\u003cp\u003eNMN went from a niche molecule to a major longevity category on the back of a specific body of human trial work. Here's what's been published, organized by what the strongest evidence actually supports.\u003c\/p\u003e\n\n\u003ch3\u003eNAD+ rise — the most-replicated finding\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;font-size:14px;margin:16px 0;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTrial\u003c\/th\u003e\n\u003cth\u003ePopulation\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eDuration\u003c\/th\u003e\n\u003cth\u003eNAD+ result\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIrie 2020 \u003cem\u003eEndocrine J\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e10 healthy men\u003c\/td\u003e\n\u003ctd\u003e100\/250\/500 mg single dose\u003c\/td\u003e\n\u003ctd\u003e5 hours\u003c\/td\u003e\n\u003ctd\u003ePlasma NAD+ rose dose-dependently; safe at all doses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiao 2021 \u003cem\u003eJ Int Soc Sports Nutr\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e48 amateur runners\u003c\/td\u003e\n\u003ctd\u003e300\/600\/1200 mg + exercise\u003c\/td\u003e\n\u003ctd\u003e6 weeks\u003c\/td\u003e\n\u003ctd\u003eAerobic capacity ↑ dose-dependently with NMN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYoshino 2021 \u003cem\u003eScience\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e25 postmenopausal prediabetic women\u003c\/td\u003e\n\u003ctd\u003e250 mg\u003c\/td\u003e\n\u003ctd\u003e10 weeks\u003c\/td\u003e\n\u003ctd\u003eMuscle NAD+ ↑, insulin sensitivity ↑ ~25%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgarashi 2022 \u003cem\u003enpj Aging\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e108 men 65+\u003c\/td\u003e\n\u003ctd\u003e250 mg AM vs PM\u003c\/td\u003e\n\u003ctd\u003e12 weeks\u003c\/td\u003e\n\u003ctd\u003eWhole-blood NAD+ ↑, SARC-F + 5x sit-stand ↑\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYi 2022 \u003cem\u003eGeroScience\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e80 healthy adults 40–65\u003c\/td\u003e\n\u003ctd\u003e300\/600\/900 mg\u003c\/td\u003e\n\u003ctd\u003e60 days\u003c\/td\u003e\n\u003ctd\u003eWhole-blood NAD+ ↑ dose-dependently, 6-min walk ↑\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKim 2022 \u003cem\u003eNutrients\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e30 healthy adults\u003c\/td\u003e\n\u003ctd\u003e250 mg\u003c\/td\u003e\n\u003ctd\u003e12 weeks\u003c\/td\u003e\n\u003ctd\u003eSubjective fatigue ↓, sleep quality ↑\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePencina 2023 \u003cem\u003eJCEM\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e32 healthy 55–80\u003c\/td\u003e\n\u003ctd\u003e1000\/2000 mg\u003c\/td\u003e\n\u003ctd\u003e14 days\u003c\/td\u003e\n\u003ctd\u003eWhole-blood NAD+ ↑ dose-dependently, no AEs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFukamizu 2022 \u003cem\u003eSci Rep\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e31 healthy adults\u003c\/td\u003e\n\u003ctd\u003e1250 mg\u003c\/td\u003e\n\u003ctd\u003e4 weeks\u003c\/td\u003e\n\u003ctd\u003eWhole-blood NAD+ ↑ ~22%, no AEs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFunctional readouts beyond NAD+\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulin sensitivity (Yoshino 2021).\u003c\/strong\u003e Postmenopausal prediabetic women on 250 mg\/day NMN for 10 weeks showed a ~25% improvement in skeletal-muscle insulin sensitivity (hyperinsulinemic-euglycemic clamp gold-standard measure). The first human trial to show NMN translating into a metabolic clinical endpoint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerobic capacity (Liao 2021).\u003c\/strong\u003e Amateur runners on 300\/600\/1200 mg\/day NMN + standardized training showed dose-dependent improvements in ventilatory threshold and aerobic capacity. The 600 mg arm was statistically significant against placebo + training.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWalking speed and grip strength (Igarashi 2022).\u003c\/strong\u003e 65+ men on 250 mg\/day NMN for 12 weeks showed faster gait speed, better SARC-F sarcopenia score, and improved 5x-sit-stand. Morning dosing outperformed evening dosing — a finding that influenced our directions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6-minute walk distance (Yi 2022).\u003c\/strong\u003e 40–65yo adults on 300\/600\/900 mg\/day NMN for 60 days showed dose-dependent improvement in 6MWD, the standard cardiopulmonary endurance metric.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSleep and fatigue (Kim 2022, Igarashi 2022).\u003c\/strong\u003e Both trials showed subjective sleep quality and fatigue improvement, though these are softer endpoints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere the evidence is preliminary\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCognitive endpoints.\u003c\/strong\u003e Mostly animal\/in vitro at this stage. Human trials are running but not yet reported with the resolution needed to make claims.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSkin and hair.\u003c\/strong\u003e Anecdotal reports are common but trial-grade evidence is thin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCardiovascular outcomes.\u003c\/strong\u003e NR has stronger cardiovascular trial evidence (Martens 2018 — aortic stiffness, BP). NMN's CV story is more mechanistic than endpoint-proven so far.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifespan.\u003c\/strong\u003e No human lifespan data exists for any supplement. Animal data on NMN extending health span is consistent (Mills 2016 \u003cem\u003eCell Metab\u003c\/em\u003e, Yoshida 2019), but extrapolation to humans is speculative.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhat you can confidently expect: NAD+ rise, plus modest improvements in energy, exercise tolerance, and metabolic markers across 6–12 weeks. What you should not expect: dramatic visible anti-aging effects in 30 days. The mechanism is upstream — the rest of the biology takes time to catch up.\u003c\/p\u003e\n\n\u003ch2\u003eNMN vs NR — the practical decision, with mechanism\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;font-size:14px;margin:16px 0;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eNMN\u003c\/th\u003e\n\u003cth\u003eNR\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell entry\u003c\/td\u003e\n\u003ctd\u003eSlc12a8 (intact) + via NR after CD73 cleavage\u003c\/td\u003e\n\u003ctd\u003eENT1\/ENT2 transporter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteps to NAD+\u003c\/td\u003e\n\u003ctd\u003e1 enzymatic step (NMNAT)\u003c\/td\u003e\n\u003ctd\u003e2 enzymatic steps (NRK then NMNAT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMitochondrial reach\u003c\/td\u003e\n\u003ctd\u003eDirect (NMNAT3 in matrix)\u003c\/td\u003e\n\u003ctd\u003eVia cytoplasm-to-mitochondria transport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMost-studied dose\u003c\/td\u003e\n\u003ctd\u003e250–600 mg\/day\u003c\/td\u003e\n\u003ctd\u003e300–1000 mg\/day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrongest human signal\u003c\/td\u003e\n\u003ctd\u003eInsulin sensitivity (Yoshino 2021), endurance (Liao 2021, Yi 2022), gait (Igarashi 2022)\u003c\/td\u003e\n\u003ctd\u003eAortic stiffness\/BP (Martens 2018), brain NAD+ in PD (Brakedal 2022)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCost per gram\u003c\/td\u003e\n\u003ctd\u003eLower — bulk supply has expanded faster\u003c\/td\u003e\n\u003ctd\u003eHigher — patented forms add license cost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethylation load\u003c\/td\u003e\n\u003ctd\u003eEquivalent — both end as nicotinamide that NNMT methylates\u003c\/td\u003e\n\u003ctd\u003eEquivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eMitochondrial focus, metabolic, exercise capacity, sarcopenia\u003c\/td\u003e\n\u003ctd\u003eCardiovascular focus, brain (PD evidence), elderly cohort\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStack with each other?\u003c\/td\u003e\n\u003ctd\u003eYes — covers both Slc12a8 and ENT entry routes\u003c\/td\u003e\n\u003ctd\u003eYes — same logic in reverse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor most users at most ages, NMN at 500 mg is the right starting point on cost, evidence base, and mechanism. NR at \u003ca href=\"\/he\/products\/rb-nicotinamide-nucleotide-nad-hard-capsules-cellular-energy-anti-aging\"\u003eour patented NR-Cl\u003c\/a\u003e becomes more interesting if cardiovascular markers, neurodegenerative concerns, or 65+ frailty are the priority — or as a stack add-on to cover both transporter pathways.\u003c\/p\u003e\n\n\u003ch2\u003eSource comparison — what \"NMN\" can actually mean on a label\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;font-size:14px;margin:16px 0;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003cth\u003eβ-purity (typical)\u003c\/th\u003e\n\u003cth\u003eHPLC-verified?\u003c\/th\u003e\n\u003cth\u003eTrial-grade?\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePure β-NMN (this product, ≥99% HPLC)\u003c\/td\u003e\n\u003ctd\u003e≥99%\u003c\/td\u003e\n\u003ctd\u003eYes, per batch\u003c\/td\u003e\n\u003ctd\u003eMatches the form used in published trials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeneric commodity β-NMN\u003c\/td\u003e\n\u003ctd\u003e85–95%\u003c\/td\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003ctd\u003eUsually adequate, but lot-to-lot drift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMixed α\/β NMN (cheap)\u003c\/td\u003e\n\u003ctd\u003e60–80%\u003c\/td\u003e\n\u003ctd\u003eOften no\u003c\/td\u003e\n\u003ctd\u003eBelow trial-grade — under-doses the active form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNMN salts \/ stabilized variants\u003c\/td\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003ctd\u003eSometimes\u003c\/td\u003e\n\u003ctd\u003eLimited human data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNMN sublingual lozenges\u003c\/td\u003e\n\u003ctd\u003eSource-dependent\u003c\/td\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003ctd\u003ePK studies pending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiposomal NMN\u003c\/td\u003e\n\u003ctd\u003eSource-dependent\u003c\/td\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003ctd\u003eNot the form in any major trial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe shortcut: ≥99% β-NMN HPLC-verified is the only spec that maps cleanly onto the published trials. Anything else is an extrapolation.\u003c\/p\u003e\n\n\u003ch2\u003eBioavailability — what the PK studies actually show\u003c\/h2\u003e\n\u003cp\u003eOral NMN absorption is well characterized at this point. \u003cstrong\u003eIrie 2020\u003c\/strong\u003e (\u003cem\u003eEndocrine J\u003c\/em\u003e) measured plasma NAD+ rise within 5 hours of single 100\/250\/500 mg doses, dose-dependently, in 10 healthy men. \u003cstrong\u003eYoshino 2021\u003c\/strong\u003e (\u003cem\u003eScience\u003c\/em\u003e) confirmed sustained tissue (skeletal muscle) NAD+ rise on 250 mg\/day for 10 weeks. \u003cstrong\u003eYi 2022\u003c\/strong\u003e (\u003cem\u003eGeroScience\u003c\/em\u003e) showed dose-linear whole-blood NAD+ rise across 300\/600\/900 mg\/day at 30 and 60 days. \u003cstrong\u003ePencina 2023\u003c\/strong\u003e (\u003cem\u003eJCEM\u003c\/em\u003e) extended dose-linearity to 2000 mg\/day in healthy 55–80yo adults.\u003c\/p\u003e\n\n\u003cp\u003eWhat this means in practice:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNAD+ rise is real, replicated, and dose-linear in the 250–2000 mg range.\u003c\/li\u003e\n  \u003cli\u003e500 mg is in the meat of the evidence base — not an outlier dose.\u003c\/li\u003e\n  \u003cli\u003eSteady-state requires consistent daily dosing for 4–8 weeks. Single doses raise NAD+ acutely but don't drive the clinical endpoints.\u003c\/li\u003e\n  \u003cli\u003eMorning dosing outperformed evening dosing on functional outcomes in Igarashi 2022 — consistent with NAD+'s role in circadian wake signaling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere this fits in our NAD+ family\u003c\/h2\u003e\n\u003cp\u003eThe catalog has seven distinct entry points into the NAD+ system. Each is the right product for a different user.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;font-size:14px;margin:16px 0;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ca href=\"\/he\/products\/pure-nmn-500mg-60-capsules-30-day-supply\"\u003ePure NMN 500 mg\u003c\/a\u003e (this product)\u003c\/td\u003e\n\u003ctd\u003eβ-NMN capsule, 500 mg\u003c\/td\u003e\n\u003ctd\u003eTrial-dose entry tier. Most users, age 30+, first NAD+ product.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/nmn-1000mg-pure-focus-formula-cellular-rejuvenation\"\u003eNMN 1000 mg\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eβ-NMN capsule, 1000 mg\u003c\/td\u003e\n\u003ctd\u003eHigher dose for 50+, athletes, or after 6–8 weeks at 500 mg without subjective effect.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/rb-nicotinamide-nucleotide-nad-hard-capsules-cellular-energy-anti-aging\"\u003eNR Hard Capsules\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePatented NR-Cl + B-vitamin cofactors\u003c\/td\u003e\n\u003ctd\u003eCardiovascular focus, brain\/PD context, elderly cohort.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/nad-daily-boost\"\u003eNAD+ Daily Boost\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eNAD+ + supportive cofactors\u003c\/td\u003e\n\u003ctd\u003eDirect NAD+ supplementation alongside precursor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/zoone-nad-drink-mix\"\u003eZOONE NAD+ Drink Mix\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eNMN drink mix\u003c\/td\u003e\n\u003ctd\u003ePeople who don't tolerate capsules; flavored format.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/liquid-nad-anti-aging-drink-advanced-cellular-rejuvenation\"\u003eLiquid NAD+ Sachets\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eNR liquid sachet, berry\u003c\/td\u003e\n\u003ctd\u003eOn-the-go format for travel or work.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/liposomal-nad-ultimate-1000mg\"\u003eLiposomal NAD+ 1000 mg\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect NAD+, liposomal\u003c\/td\u003e\n\u003ctd\u003eMaximum delivery form — for cost-insensitive optimization.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/he\/products\/selerb-nad-5-in-1-complete-mitochondrial-formula\"\u003eNAD+ 5-in-1\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eNMN + CoQ10 + B-complex + antioxidants\u003c\/td\u003e\n\u003ctd\u003eOne-bottle complete mitochondrial formula.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eIf you're new to NAD+ supplementation: this product. If you've used 500 mg for 8+ weeks and want more: NMN 1000 mg or add NR to cover both transport pathways.\u003c\/p\u003e\n\n\u003ch2\u003eStacking — how NMN sits inside a complete longevity protocol\u003c\/h2\u003e\n\n\u003ch3\u003eSirtuin substrate + activator pair (the core)\u003c\/h3\u003e\n\u003cp\u003eNMN raises NAD+ (the substrate). \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\"\u003eResveratrol 600 mg\u003c\/a\u003e activates SIRT1 (the enzyme that uses it). Without both halves, you're either supplying fuel for an enzyme that isn't running, or running an enzyme that's substrate-starved. \u003cstrong\u003ePacholec 2010\u003c\/strong\u003e (\u003cem\u003eJBC\u003c\/em\u003e) confirmed Resveratrol's SIRT1 effect is substrate-mediated. The two-bottle \u003ca href=\"\/he\/products\/longevity-stack-bundle-nmn-500mg-resveratrol-600mg\"\u003eLongevity Stack Bundle\u003c\/a\u003e packages this at -10%.\u003c\/p\u003e\n\n\u003ch3\u003eBoth NAD+ precursor pathways covered\u003c\/h3\u003e\n\u003cp\u003ePair NMN with \u003ca href=\"\/he\/products\/rb-nicotinamide-nucleotide-nad-hard-capsules-cellular-energy-anti-aging\"\u003eNR Hard Caps\u003c\/a\u003e. NMN enters via Slc12a8 + via CD73→NR; NR enters via ENT1\/ENT2. Different transporter saturation, different tissue distribution. Two precursors covers redundancy without doubling methylation load (you're still ending at one NAM pool).\u003c\/p\u003e\n\n\u003ch3\u003eMethylation support — for long-term high-dose use\u003c\/h3\u003e\n\u003cp\u003eAt 500 mg you don't need it. At 1000 mg or NMN+NR combined, add \u003ca href=\"\/he\/products\/tmg-1000mg-trimethylglycine-methyl-donor-for-nmn-nad-stacks\"\u003eTMG 1000 mg\u003c\/a\u003e. NNMT methylates NAM to 1MNA using SAM as the methyl donor; TMG (betaine) refills SAM via the BHMT pathway. \u003cstrong\u003eOlthof 2003\u003c\/strong\u003e documents the SAM-replenishment effect on homocysteine.\u003c\/p\u003e\n\n\u003ch3\u003eCD38 reduction — preserve the NAD+ you make\u003c\/h3\u003e\n\u003cp\u003eNAD+ is being consumed at the same time it's being raised. \u003ca href=\"\/he\/products\/apigenin-50mg-cd38-inhibitor-nad-preservation\"\u003eApigenin 50 mg\u003c\/a\u003e inhibits CD38 (Escande 2013). \u003ca href=\"\/he\/products\/quercetin-500mg-senolytic-flavonoid-natural-antihistamine\"\u003eQuercetin 500 mg\u003c\/a\u003e and \u003ca href=\"\/he\/products\/fisetin-500mg-senolytic-flavonoid-cellular-rejuvenation\"\u003eFisetin 500 mg\u003c\/a\u003e reduce senescent-cell burden, which lowers SASP-driven CD38 expression in surrounding tissue.\u003c\/p\u003e\n\n\u003ch3\u003eMitochondrial layer — what the NAD+ feeds into\u003c\/h3\u003e\n\u003cp\u003eNAD+ is a coenzyme; it has to be paired with the rest of the mitochondrial machinery. \u003ca href=\"\/he\/products\/coq10-400mg-maximum-strength\"\u003eCoQ10 400 mg\u003c\/a\u003e shuttles electrons in Complex I\/II\/III. \u003ca href=\"\/he\/products\/pqq-20mg-mitochondrial-biogenesis\"\u003ePQQ 20 mg\u003c\/a\u003e drives mitochondrial biogenesis. \u003ca href=\"\/he\/products\/alpha-lipoic-acid-600mg-universal-antioxidant\"\u003eALA 600 mg\u003c\/a\u003e recycles other antioxidants. \u003ca href=\"\/he\/products\/urolithin-a-500mg-mitophagy-activator\"\u003eUrolithin A 500 mg\u003c\/a\u003e clears damaged mitochondria via mitophagy. NMN supplies the coenzyme; these supply structure and quality control.\u003c\/p\u003e\n\n\u003ch3\u003eAutophagy and proteostasis\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/he\/products\/spermidine-10mg-autophagy-activator\"\u003eSpermidine 10 mg\u003c\/a\u003e activates autophagy of misfolded proteins. \u003ca href=\"\/he\/products\/fisetin-500mg-senolytic-flavonoid-cellular-rejuvenation\"\u003eFisetin\u003c\/a\u003e clears senescent cells. NMN handles fuel; autophagy handles cleanup. Different hallmarks, different mechanisms — both needed.\u003c\/p\u003e\n\n\u003ch3\u003eAMPK pathway\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/he\/products\/berberine-1000mg-glucose-metabolism\"\u003eBerberine 1000 mg\u003c\/a\u003e and \u003ca href=\"\/he\/products\/calcium-alpha-ketoglutarate-1000mg-caakg-epigenetic-longevity\"\u003eCa-AKG 1000 mg\u003c\/a\u003e activate AMPK — the metabolic stress sensor that runs in parallel with sirtuins. NAD+\/sirtuins respond to fasting\/low-energy signals; AMPK responds to AMP:ATP ratio. Hitting both is closer to the effect of caloric restriction than either alone.\u003c\/p\u003e\n\n\u003ch3\u003eAntioxidant \/ glutathione layer\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/he\/products\/liposomal-vitamin-c-1000mg-maximum-absorption-antioxidant-formula\"\u003eLiposomal Vitamin C 1000 mg\u003c\/a\u003e, \u003ca href=\"\/he\/products\/astaxanthin-12mg-keto-carotenoid-mitochondrial-antioxidant\"\u003eAstaxanthin 12 mg\u003c\/a\u003e, and N-acetylcysteine support glutathione recycling. SIRT3 is the mitochondrial antioxidant master switch (deacetylates SOD2). NAD+ + SIRT3 + adequate glutathione precursors is the complete mitochondrial antioxidant package.\u003c\/p\u003e\n\n\u003ch3\u003eFoundational layer — sleep, minerals, fats\u003c\/h3\u003e\n\u003cp\u003eNAD+ supplementation without sleep is a leaky bucket. Magnesium glycinate, omega-3 (\u003ca href=\"\/he\/products\/omega-3-2000mg-triglyceride-form-cardiovascular-cognitive\"\u003eOmega-3 2000 mg triglyceride form\u003c\/a\u003e), Vitamin D3+K2, and a clean diet are the foundation everything else sits on. NMN is an upgrade to a healthy baseline, not a replacement for one.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to expect — week by week\u003c\/h2\u003e\n\u003cp\u003eThe honest timeline, based on the published trials and consistent customer reports:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeek 1–2:\u003c\/strong\u003e Plasma NAD+ rises within hours of the first dose and reaches a higher steady state across the first two weeks. Subjectively, most people notice nothing or a mild energy lift on day 1–3 — sometimes placebo, sometimes not.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeek 2–4:\u003c\/strong\u003e Whole-blood NAD+ approaches plateau. Subjective effects (energy, training recovery, sleep quality, mental clarity) become more consistent if they're going to. About 40–50% of users report a noticeable shift by week 4.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeek 4–8:\u003c\/strong\u003e The clinical endpoints from the trials — endurance, gait speed, insulin sensitivity — start to register if they're going to register. Expect modest, not dramatic, improvements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeek 8–16:\u003c\/strong\u003e Plateau. NAD+ stays elevated as long as you keep dosing. Effects are downstream consequences of consistently elevated NAD+ and sirtuin output over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStop dosing:\u003c\/strong\u003e Cellular gains reverse roughly 50% within 30 days of stopping (Liao 2021 follow-up data). NMN is a supplement, not a permanent intervention — the biology requires daily fuel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy 500 mg specifically — the dose-response argument\u003c\/h2\u003e\n\u003cp\u003eWhy not 250? Why not 1000? Why not 2000?\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250 mg works in trial-grade populations.\u003c\/strong\u003e Yoshino 2021 (postmenopausal prediabetic, insulin sensitivity) and Igarashi 2022 (65+ men, gait + grip) used 250 mg with positive results. For lean, healthy users in their 30s or 40s, 250 mg is at the lower end — it raises NAD+ but the functional readouts are softer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e500 mg matches the meat of the evidence base.\u003c\/strong\u003e Yi 2022's 600 mg arm is the closest-published reference for this dose; effects on 6MWD and whole-blood NAD+ were dose-linear, with the 600 mg arm clearly outperforming 300 mg.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1000 mg is the next plateau.\u003c\/strong\u003e Pencina 2023 (1000\/2000 mg, healthy 55–80yo) showed continued NAD+ rise with no AEs, but the marginal benefit per dose increment is smaller — and the methylation load case starts to apply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2000 mg is the upper tested dose.\u003c\/strong\u003e Pencina 2023 confirmed safety; clinical-endpoint benefit beyond 1000 mg is not yet well-resolved. Most users don't need this.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe honest summary: 500 mg is the dose that gives you the strongest match between what was tested and what you're taking, at a price most people can sustain daily. If you're 50+, training hard, or 8 weeks in without subjective effect, step up to \u003ca href=\"\/he\/products\/nmn-1000mg-pure-focus-formula-cellular-rejuvenation\"\u003e1000 mg\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat this product is — and is NOT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e500 mg of ≥99% HPLC-verified pure β-NMN per capsule.\u003c\/li\u003e\n  \u003cli\u003eVegan HPMC capsule. No magnesium stearate. No titanium dioxide. No artificial colors.\u003c\/li\u003e\n  \u003cli\u003ePer-batch third-party COA covering identity (HPLC), heavy metals, microbials, residual solvents.\u003c\/li\u003e\n  \u003cli\u003eThe trial-grade form at the trial-grade dose.\u003c\/li\u003e\n  \u003cli\u003eThe most-studied entry into NAD+ supplementation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it is NOT:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eA replacement for sleep, exercise, or a diet that supports basic metabolic health.\u003c\/li\u003e\n  \u003cli\u003eA weight-loss or stimulant product. NMN doesn't cause acute energy spikes the way caffeine does.\u003c\/li\u003e\n  \u003cli\u003eSufficient on its own for the full longevity stack — sirtuin activator (Resveratrol), CD38 inhibitor (Apigenin), and methylation support (TMG, at higher doses) all add measurable value.\u003c\/li\u003e\n  \u003cli\u003eApproved by the FDA to treat or prevent any disease. NMN is sold as a dietary supplement.\u003c\/li\u003e\n  \u003cli\u003eA \"feel-it-day-1\" product. The mechanism is upstream — biology takes weeks to catch up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon mistakes to avoid\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSkipping days.\u003c\/strong\u003e Cellular NAD+ pools deplete fast — daily consistency is more important than dose magnitude.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEvening dosing.\u003c\/strong\u003e Igarashi 2022 showed AM \u0026gt; PM on functional outcomes. NAD+ is a wake signal; evening dosing can disrupt sleep.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuying mixed-anomer NMN.\u003c\/strong\u003e 75% β-purity at 500 mg label = 375 mg active — under the trial dose.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStacking precursor without an activator.\u003c\/strong\u003e NMN without Resveratrol is fuel without an engine running. Pair them.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStopping at week 2 because nothing happened.\u003c\/strong\u003e Expect 4–8 weeks for steady-state effects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoing to 2000 mg without TMG.\u003c\/strong\u003e Methylation load matters at very high doses; cover the SAM pool with TMG or pull back.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStoring the bottle in a humid bathroom.\u003c\/strong\u003e NMN is moisture-sensitive. Cool, dry, dark.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDaily protocol\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhen:\u003c\/strong\u003e First thing in the morning, with breakfast. Igarashi 2022 supports AM \u0026gt; PM dosing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDose:\u003c\/strong\u003e 1 capsule (500 mg).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith food:\u003c\/strong\u003e Yes — sirtuin pathway pairs better with adequate fat in the meal (eggs, avocado, butter, nuts).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuration:\u003c\/strong\u003e Continuous. NMN is a daily-fuel supplement, not a cycled stimulant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePair with:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\"\u003eResveratrol 600 mg\u003c\/a\u003e — same morning meal. The classic stack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30 days = 1 bottle.\u003c\/strong\u003e Reorder before the bottle ends — gaps break steady state.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e→ \u003ca href=\"\/he\/protocols\/how-to-take-it\"\u003eFull protocol guide for the entire longevity stack\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWho this is for\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAnyone 30+ starting their first NAD+ supplement.\u003c\/li\u003e\n  \u003cli\u003eAdults experiencing the early signs of NAD+ decline — slower recovery from training, slightly lower energy, longer to bounce back from late nights.\u003c\/li\u003e\n  \u003cli\u003ePeople who tried higher-dose NMN elsewhere without seeing a clear effect and want to confirm the active form before scaling up.\u003c\/li\u003e\n  \u003cli\u003eAnyone who wants the dose used in most published trials, not a marketing dose.\u003c\/li\u003e\n  \u003cli\u003ePeople building a longevity stack and wanting the entry-tier sirtuin substrate.\u003c\/li\u003e\n  \u003cli\u003eThose new to longevity supplementation looking for the cleanest, simplest, best-evidenced starting point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho this is NOT for\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePregnant or nursing women.\u003c\/strong\u003e NMN safety in pregnancy\/lactation is not established.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive cancer patients.\u003c\/strong\u003e NAD+ has complex effects on tumor biology — some pro-survival pathways. Discuss with oncology before starting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChildren under 18.\u003c\/strong\u003e No pediatric safety data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople who want a stimulant.\u003c\/strong\u003e NMN does not feel like caffeine. If you want acute energy, this is the wrong category.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople who can't sustain daily dosing.\u003c\/strong\u003e Intermittent NMN is below threshold for the trial-replicated effects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople with severe MTHFR variants going straight to high doses.\u003c\/strong\u003e Add TMG, or stay at 500 mg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety, interactions, and contraindications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnticoagulants (warfarin, DOACs).\u003c\/strong\u003e NMN itself has no documented anticoagulant effect, but Resveratrol (the typical stack pair) does have mild antiplatelet activity. Discuss the stack with your prescriber.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiabetes medications.\u003c\/strong\u003e NMN has shown insulin-sensitizing effects (Yoshino 2021). If you're on metformin, sulfonylureas, or insulin, monitor blood sugar — dose adjustment may be needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-surgery.\u003c\/strong\u003e Stop 7–14 days before any planned surgery (consistent with Resveratrol\/general supplement-cessation guidance).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCancer therapy.\u003c\/strong\u003e NAD+ supplementation in active cancer treatment is not recommended without oncology input.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMTHFR variants.\u003c\/strong\u003e Methylation considerations apply most at 1000 mg+. At 500 mg the load is small. If you have a known C677T or A1298C variant and want to be conservative, add TMG.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-term use.\u003c\/strong\u003e Trial data is at most 12–24 months. Multi-year safety is undocumented but mechanistically clean — NMN converts to endogenous NAD+, which the body uses constantly anyway.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide effects.\u003c\/strong\u003e Mild GI discomfort or headache in \u0026lt;5% of users, typically resolves within 1–2 weeks. Discontinue if symptoms persist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in it\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePer capsule:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e500 mg β-Nicotinamide Mononucleotide (≥99% HPLC purity).\u003c\/li\u003e\n  \u003cli\u003eHPMC (vegetable cellulose) capsule shell.\u003c\/li\u003e\n  \u003cli\u003eRice flour as a flow agent (no magnesium stearate).\u003c\/li\u003e\n  \u003cli\u003eNo titanium dioxide. No artificial colors. No preservatives. No common allergens (gluten, soy, dairy, nuts, eggs, fish, shellfish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBottle:\u003c\/strong\u003e 60 capsules, UV-protective HDPE, oxygen barrier seal. Cool, dry, dark storage extends shelf life.\u003c\/p\u003e\n\n\u003ch2\u003eSourcing, manufacturing, and quality control\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ecGMP-certified manufacturing facility.\u003c\/strong\u003e ISO 9001 quality system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHPLC identity + purity per batch.\u003c\/strong\u003e ≥99% β-NMN. Certificate of analysis available for every lot.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy metals panel:\u003c\/strong\u003e lead, arsenic, cadmium, mercury — within USP-acceptable limits per batch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrobial panel:\u003c\/strong\u003e total aerobic count, yeast\/mold, E. coli, Salmonella — all within food-grade thresholds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResidual solvents:\u003c\/strong\u003e tested per USP \u0026lt;467\u0026gt;.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStability testing:\u003c\/strong\u003e β-purity verified at end of stated shelf life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLab reports are posted to \u003ca href=\"\/he\/pages\/coa\"\u003eour COA page\u003c\/a\u003e. If you don't see your lot, email and we'll send the COA directly.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs NMN better than NR?\u003c\/h3\u003e\n\u003cp\u003eDifferent, not better. NMN has stronger evidence for metabolic and exercise-capacity endpoints (Yoshino 2021, Liao 2021, Yi 2022, Igarashi 2022). NR has stronger evidence for cardiovascular (Martens 2018) and brain (Brakedal 2022 NADPARK) endpoints. For a general user wanting an NAD+ precursor, NMN at 500 mg is the right starting point on cost, evidence base, and mechanism.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take NMN with NR?\u003c\/h3\u003e\n\u003cp\u003eYes. Different transporters (Slc12a8 for NMN, ENT1\/2 for NR) — covering both gives broader tissue coverage. The methylation load is unchanged from either alone (both end as nicotinamide). At combined doses ≥1000 mg\/day, add \u003ca href=\"\/he\/products\/tmg-1000mg-trimethylglycine-methyl-donor-for-nmn-nad-stacks\"\u003eTMG\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eHow long until I notice anything?\u003c\/h3\u003e\n\u003cp\u003ePlasma NAD+ rises within hours. Subjective shifts in energy, training recovery, or sleep, if they're going to register, usually surface in week 2–4. Functional endpoints (endurance, gait speed) replicated in trials show by week 8–12. If 12 weeks of daily 500 mg gives you nothing subjective, step up to 1000 mg before concluding NMN doesn't work for you.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take NMN at night?\u003c\/h3\u003e\n\u003cp\u003eNot recommended. NAD+ is a circadian wake signal — NMN raises NAD+ — evening dosing can disrupt sleep onset for sensitive users. Igarashi 2022 directly compared morning vs evening dosing in 65+ men and morning won on functional endpoints.\u003c\/p\u003e\n\n\u003ch3\u003eDo I need to cycle NMN?\u003c\/h3\u003e\n\u003cp\u003eNo. NMN converts to endogenous NAD+ that the body already uses constantly. There's no receptor downregulation to worry about. Continuous dosing is the protocol used in every published positive trial.\u003c\/p\u003e\n\n\u003ch3\u003eShould I take it with food?\u003c\/h3\u003e\n\u003cp\u003eYes. NMN absorption isn't food-dependent, but the sirtuin pathway pairs better with adequate dietary fat. Eggs, avocado, butter, nuts are good morning pairings.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if I'm 30 — is NMN still useful?\u003c\/h3\u003e\n\u003cp\u003eNAD+ decline starts well before 30 — Massudi 2012 measured ~50% drop between 30 and 70, and most of that drop is in the second half of the curve, but it's already underway in your 30s. If you're a healthy 30yo with no metabolic issues, the case for NMN is more about preventive baseline maintenance than corrective; the upside per dollar is smaller than it is at 50. Decide based on price tolerance and whether you're optimizing for healthspan a long way out.\u003c\/p\u003e\n\n\u003ch3\u003eWhy is NMN cheaper than NR?\u003c\/h3\u003e\n\u003cp\u003eNR-Cl is patented (the chloride salt form used in trials carries license cost). β-NMN supply has expanded faster, with multiple Asian manufacturers producing pharmaceutical-grade material. The result: NMN is typically 30–50% cheaper per gram of NAD+ precursor than NR. The trial-grade form is what matters; NMN at 500 mg gets you trial-replication at lower cost.\u003c\/p\u003e\n\n\u003ch3\u003eCan NMN replace coffee?\u003c\/h3\u003e\n\u003cp\u003eNo. NMN raises NAD+ — the coenzyme for energy production — but it doesn't block adenosine receptors or cause acute alertness. Caffeine is a stimulant. NMN is upstream metabolic support. They do different things and most users keep both.\u003c\/p\u003e\n\n\u003ch3\u003eWill NMN show up on a drug test?\u003c\/h3\u003e\n\u003cp\u003eNo. NMN is endogenous to mammalian metabolism — it's a normal cellular metabolite, not a foreign compound. Standard drug panels do not test for it, and athletic anti-doping (WADA) does not list it.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take NMN while fasting?\u003c\/h3\u003e\n\u003cp\u003eYes. NMN absorption isn't dependent on a meal. The sirtuin pathway actually upregulates during fasting, so NMN + fasting is mechanistically synergistic. Some users prefer fasted morning dosing; others find it sits better with food. Both are fine.\u003c\/p\u003e\n\n\u003ch3\u003eDoes NMN raise blood pressure?\u003c\/h3\u003e\n\u003cp\u003eNo. The NR cardiovascular trial (Martens 2018) actually showed a modest BP reduction in the elevated-BP subgroup. NMN's CV trial data is thinner but mechanistically similar — sirtuin activation favors vascular relaxation. No published NMN trial has reported BP increase as a side effect.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's the maximum safe daily dose?\u003c\/h3\u003e\n\u003cp\u003eThe highest tested dose in published human trials is 2000 mg\/day (Pencina 2023, 14 days, healthy 55–80yo, no AEs). Most users will not need to exceed 1000 mg\/day. There's no defined upper limit beyond what's been tested.\u003c\/p\u003e\n\n\u003ch3\u003eDoes NMN interact with statins or blood-pressure medications?\u003c\/h3\u003e\n\u003cp\u003eNo documented direct interactions at typical NMN doses. Sirtuin activation can modulate lipid metabolism (SIRT1 effects on cholesterol synthesis) but the magnitude is small relative to a statin. Coordinate with your prescriber if you're on cardiovascular medication.\u003c\/p\u003e\n\n\u003ch3\u003eHow does NMN compare to NAD+ IV therapy?\u003c\/h3\u003e\n\u003cp\u003eIV NAD+ delivers a large bolus directly to plasma — onset is fast but pharmacokinetics are very different from oral precursor steady-state. The cost is also 10–50× higher per unit NAD+ delivered. For chronic, daily NAD+ support, oral NMN is the dominant mechanism on cost and convenience. IV has a niche for specific clinical contexts (addiction recovery protocols, acute neurological recovery) but is not a daily-protocol substitute for oral NMN.\u003c\/p\u003e\n\n\u003ch3\u003eCan I open the capsule?\u003c\/h3\u003e\n\u003cp\u003eYes — NMN is bitter-tasting but not unpleasant. Pour the contents into water, smoothie, or yogurt. Some users prefer this for sublingual absorption (hold under the tongue 60–90s before swallowing). PK studies haven't shown a meaningful difference between sublingual and oral capsule absorption, but the option is there.\u003c\/p\u003e\n\n\u003ch3\u003eIs NMN vegan?\u003c\/h3\u003e\n\u003cp\u003eYes. The β-NMN itself is synthesized; the capsule is HPMC (vegetable cellulose). No animal-derived ingredients in the product or the manufacturing process.\u003c\/p\u003e\n\n\u003ch3\u003eWill NMN help me sleep?\u003c\/h3\u003e\n\u003cp\u003eIndirectly. NMN doesn't sedate. But chronic NAD+ depletion correlates with sleep architecture disruption, and Kim 2022 reported sleep-quality improvement on 250 mg\/day. Most users notice a subtle improvement in sleep depth over weeks 4–8 if they're going to notice anything.\u003c\/p\u003e\n\n\u003ch3\u003eDoes NMN improve hair?\u003c\/h3\u003e\n\u003cp\u003eNo published human trial directly tested this. Mechanistically, sirtuin activation supports hair-follicle stem-cell biology (animal data). Customer reports of better hair growth or thicker hair on long-term NMN are anecdotally common but not trial-replicated.\u003c\/p\u003e\n\n\u003ch3\u003eWhy is daily consistency more important than dose?\u003c\/h3\u003e\n\u003cp\u003eThe salvage pathway is a flow, not a tank. NAD+ pools depend on a constant supply rate — not on a periodic large bolus. Daily 500 mg vastly outperforms 3500 mg once a week, even though the totals match, because the cellular machinery responds to sustained substrate availability. One missed dose is fine. A week of skipped doses sets steady-state back.\u003c\/p\u003e\n\n\u003ch2\u003eWhere this sits in the catalog architecture\u003c\/h2\u003e\n\u003cp\u003ePure NMN 500 mg is the entry tier of the Foundational Health collection — the daily-baseline supplements that anchor everything else. The next tiers up are: NMN 1000 mg (higher dose, same molecule), NAD+ 5-in-1 (NMN + cofactors in one bottle), Liposomal NAD+ (direct NAD+ for maximum delivery), and the full Mitochondrial Renewal collection (CoQ10, PQQ, ALA, Urolithin A) for the structural-quality-control side of the same biology.\u003c\/p\u003e\n\n\u003cp\u003eThis product replaces nothing in the catalog; it slots underneath it. If you're new to the protocol, this is the first bottle.\u003c\/p\u003e\n\n\u003ch2\u003eRelated collections\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/he\/collections\/longevity-essentials\"\u003eLongevity Essentials\u003c\/a\u003e — the 8 supplements that anchor the daily protocol.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/he\/collections\/foundational-health\"\u003eFoundational Health\u003c\/a\u003e — daily-baseline products, including this one.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/he\/collections\/mitochondrial-renewal\"\u003eMitochondrial Renewal\u003c\/a\u003e — energy + quality control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/he\/collections\/sirtuin-activators\"\u003eSirtuin Activators\u003c\/a\u003e — Resveratrol, Pterostilbene, the SIRT1 pair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRead more on this topic\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/nmn-vs-nad-which-should-you-take-in-2026\"\u003eNMN vs NAD+ — which should you take in 2026?\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/nad-decline-with-age-the-evidence\"\u003eNAD+ decline with age — what the evidence actually shows\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/the-classic-longevity-stack\"\u003eThe classic longevity stack — NMN + Resveratrol + TMG\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/sirtuins-explained\"\u003eSirtuins explained — what SIRT1 and SIRT3 actually do\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/pages\/protocols\"\u003eDaily protocols by goal\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSelected references\u003c\/h2\u003e\n\u003cul style=\"font-size:13px;line-height:1.6;\"\u003e\n  \u003cli\u003eYoshino M et al. (2021). Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. \u003cem\u003eScience\u003c\/em\u003e 372:1224.\u003c\/li\u003e\n  \u003cli\u003eYi L et al. (2022). The efficacy and safety of β-nicotinamide mononucleotide (NMN) supplementation in healthy middle-aged adults: a randomized, multicenter, double-blind, placebo-controlled, parallel-group, dose-dependent clinical trial. \u003cem\u003eGeroScience\u003c\/em\u003e 45:29.\u003c\/li\u003e\n  \u003cli\u003eIgarashi M et al. (2022). Chronic nicotinamide mononucleotide supplementation elevates blood NAD+ levels and alters muscle function in healthy older men. \u003cem\u003enpj Aging\u003c\/em\u003e 8:5.\u003c\/li\u003e\n  \u003cli\u003eLiao B et al. (2021). Nicotinamide mononucleotide supplementation enhances aerobic capacity in amateur runners. \u003cem\u003eJ Int Soc Sports Nutr\u003c\/em\u003e 18:54.\u003c\/li\u003e\n  \u003cli\u003eIrie J et al. (2020). Effect of oral administration of nicotinamide mononucleotide on clinical parameters and nicotinamide metabolite levels in healthy Japanese men. \u003cem\u003eEndocrine Journal\u003c\/em\u003e 67:153.\u003c\/li\u003e\n  \u003cli\u003ePencina KM et al. (2023). MIB-626, a microcrystalline unique polymorph of beta-nicotinamide mononucleotide, in adults with overweight or obesity. \u003cem\u003eJCEM\u003c\/em\u003e 108:1968.\u003c\/li\u003e\n  \u003cli\u003eFukamizu Y et al. (2022). Safety evaluation of β-nicotinamide mononucleotide oral administration in healthy adult men and women. \u003cem\u003eSci Rep\u003c\/em\u003e 12:14442.\u003c\/li\u003e\n  \u003cli\u003eKim M et al. (2022). Effect of 12-week intake of nicotinamide mononucleotide on sleep quality, fatigue, and physical performance in older Japanese adults. \u003cem\u003eNutrients\u003c\/em\u003e 14:755.\u003c\/li\u003e\n  \u003cli\u003eGrozio A et al. (2019). Slc12a8 is a nicotinamide mononucleotide transporter. \u003cem\u003eNature Metabolism\u003c\/em\u003e 1:47.\u003c\/li\u003e\n  \u003cli\u003eLuongo TS et al. (2020). SLC25A51 is a mammalian mitochondrial NAD+ transporter. \u003cem\u003eNature\u003c\/em\u003e 588:174.\u003c\/li\u003e\n  \u003cli\u003eMassudi H et al. (2012). Age-associated changes in oxidative stress and NAD+ metabolism in human tissue. \u003cem\u003ePLOS ONE\u003c\/em\u003e 7:e42357.\u003c\/li\u003e\n  \u003cli\u003eCamacho-Pereira J et al. (2016). CD38 dictates age-related NAD decline and mitochondrial dysfunction through an SIRT3-dependent mechanism. \u003cem\u003eCell Metabolism\u003c\/em\u003e 23:1127.\u003c\/li\u003e\n  \u003cli\u003eYoshino J et al. (2011). Nicotinamide mononucleotide, a key NAD+ intermediate, treats the pathophysiology of diet- and age-induced diabetes in mice. \u003cem\u003eCell Metabolism\u003c\/em\u003e 14:528.\u003c\/li\u003e\n  \u003cli\u003eMills KF et al. (2016). Long-term administration of nicotinamide mononucleotide mitigates age-associated physiological decline in mice. \u003cem\u003eCell Metabolism\u003c\/em\u003e 24:795.\u003c\/li\u003e\n  \u003cli\u003eImai S, Guarente L. (2014). NAD+ and sirtuins in aging and disease. \u003cem\u003eTrends in Cell Biology\u003c\/em\u003e 24:464.\u003c\/li\u003e\n  \u003cli\u003eBai P et al. (2011). PARP-1 inhibition increases mitochondrial metabolism through SIRT1 activation. \u003cem\u003eCell Metabolism\u003c\/em\u003e 13:461.\u003c\/li\u003e\n  \u003cli\u003eEscande C et al. (2013). Flavonoid apigenin is an inhibitor of the NAD+ ase CD38. \u003cem\u003eDiabetes\u003c\/em\u003e 62:1084.\u003c\/li\u003e\n  \u003cli\u003eLópez-Otín C et al. (2013\/2023). The hallmarks of aging. \u003cem\u003eCell\u003c\/em\u003e 153:1194 \/ 186:243.\u003c\/li\u003e\n  \u003cli\u003ePacholec M et al. (2010). SRT1720, SRT2183, SRT1460, and resveratrol are not direct activators of SIRT1. \u003cem\u003eJBC\u003c\/em\u003e 285:8340.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size:12px;color:#666;font-style:italic;margin-top:32px;\"\u003eReferences listed for context, not endorsement. The studies cited do not constitute a claim that this product treats, prevents, or cures any condition. Statements in this listing have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement, especially if pregnant, nursing, on medication, or under treatment for a medical condition.\u003c\/p\u003e\n\n\u003cdiv class=\"th-why-not-amazon\" style=\"margin:32px 0;padding:20px;border:1px solid #e0d5c8;border-radius:8px;background:#faf6f1;\"\u003e\n  \u003ch3 style=\"margin-top:0;\"\u003eWhy we don't sell this on Amazon\u003c\/h3\u003e\n  \u003cp\u003eAmazon's NMN listings are a coin flip on β-purity. Mixed α\/β NMN, lot drift, marketplace counterfeits, and missing COAs are the rule, not the exception. We sell direct because we control the chain of custody — same lot, same COA, same molecule that was in the published trials. Per milligram of active β-NMN, we're typically cheaper too. The math + the data: \u003ca href=\"\/he\/pages\/why-not-amazon\" style=\"color:#9a5b3e;font-weight:600;\"\u003eread the full breakdown →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"th-how-to\" style=\"margin:32px 0;padding:20px;border:1px solid #e0d5c8;border-radius:8px;\"\u003e\n  \u003ch3 style=\"margin-top:0;\"\u003eHow to take Pure NMN 500mg\u003c\/h3\u003e\n  \u003cul style=\"line-height:1.7;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhen:\u003c\/strong\u003e First thing in the morning, with breakfast (eggs, avocado, butter — needs fat for sirtuin pathway pairing).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDose:\u003c\/strong\u003e 1 capsule daily.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAvoid evening dosing\u003c\/strong\u003e — NMN raises NAD+ which is your body's \"wake up\" signal; evening dosing can disrupt sleep.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBest paired with\u003c\/strong\u003e: \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\" style=\"color:#9a5b3e;\"\u003eResveratrol 600mg\u003c\/a\u003e (or get both at -10% as the \u003ca href=\"\/he\/products\/longevity-stack-bundle-nmn-500mg-resveratrol-600mg\" style=\"color:#9a5b3e;\"\u003eLongevity Stack Bundle\u003c\/a\u003e).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottle = 30 days\u003c\/strong\u003e at 1 capsule daily. Continuity matters — cellular gains reverse ~50% within 30 days of stopping.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin-bottom:0;\"\u003e→ \u003ca href=\"\/he\/protocols\/how-to-take-it\" style=\"color:#9a5b3e;font-weight:600;\"\u003eFull protocol guide for the entire stack\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"th-footer-links\" style=\"margin-top:48px;padding-top:24px;border-top:1px solid #e0d5c8;\"\u003e\n  \u003ch3 style=\"margin-bottom:12px;\"\u003eHave a specific question?\u003c\/h3\u003e\n  \u003cp style=\"margin:0 0 16px;\"\u003e→ \u003ca href=\"\/he\/pages\/faq\" style=\"color:#9a5b3e;\"\u003eFAQ — 20 most common questions\u003c\/a\u003e covers shipping, kashrut, drug interactions, refunds, dosing.\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 16px;\"\u003e→ \u003ca href=\"\/he\/pages\/coa\" style=\"color:#9a5b3e;\"\u003eLab reports for every batch\u003c\/a\u003e — verifiable third-party COAs.\u003c\/p\u003e\n  \u003cp style=\"margin:0;\"\u003e→ Or just \u003ca href=\"mailto:kat@truehealthprotocol.health\" style=\"color:#9a5b3e;\"\u003eemail me directly\u003c\/a\u003e. I respond within 24 hours.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"True Health Protocol","offers":[{"title":"Default Title","offer_id":47696174383322,"sku":"THP-NMN-500-60","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5158\/1658\/files\/nmn_500mg_03.jpg?v=1774728960","url":"https:\/\/truehealthprotocol.health\/he\/products\/pure-nmn-500mg-60-capsules-30-day-supply","provider":"True Health Protocol","version":"1.0","type":"link"}