{"product_id":"new-nad-hard-capsules-daily-nad-boost-for-energy-longevity","title":"NAD+ Daily Boost | Direct NAD+ + Trans-Resveratrol Capsules for SIRT1 Activation \u0026 Cellular Energy","description":"\u003cp\u003e\u003cstrong\u003eDirect NAD+ in capsule form, paired with trans-resveratrol and a full B-vitamin complex\u003c\/strong\u003e — the finished coenzyme delivered alongside the sirtuin activator that puts it to work, with the metabolic cofactors the salvage pathway runs on. The single-bottle daily-maintenance option for adults who want the NAD+ pathway covered without managing three separate supplements, three separate timings, and three separate price tags. If your goal is \"longevity stack on autopilot,\" this is the bottle most users settle on once the experimentation phase is over.\u003c\/p\u003e\n\n\u003ch2\u003eThe 30-second answer\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect NAD+\u003c\/strong\u003e — the finished coenzyme rather than a precursor (NMN\/NR). One less conversion step for your body. Particularly relevant for adults 50+ whose NMN-to-NAD+ conversion efficiency has dropped and for the small subset of people who don't respond to precursors at standard doses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrans-Resveratrol included\u003c\/strong\u003e — activates the sirtuin enzymes (SIRT1, SIRT3) that put NAD+ to work. Raising NAD+ without activating the sirtuins that consume it is half the equation; this formula does both. This is the original Sinclair-lab insight that launched the entire NMN+resveratrol stack — packaged in a single capsule.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB-vitamin complex\u003c\/strong\u003e as metabolic cofactors — the NAD+ salvage pathway runs through niacinamide (B3) and depends on B1\/B2\/B5\/B6\/B12 for normal energy metabolism. Missing cofactors are a common reason \"NAD+ supplements don't work\" for some people.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne capsule, three jobs\u003c\/strong\u003e — finished coenzyme + sirtuin activator + cofactor support. Replaces a three-bottle stack for the maintenance use case.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e adults 35+ who want a single-bottle daily NAD+ + sirtuin maintenance dose; people who prefer capsules to powders, drinks, or liposomal liquids; travelers; busy households; anyone who already takes NMN and wants to add direct-NAD+ coverage without doubling pill count.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePairs with:\u003c\/strong\u003e NMN (precursor coverage), Berberine (AMPK pathway), CoQ10 (mitochondrial energy), Spermidine (autophagy), Apigenin (CD38 inhibition), TMG (methyl donor support).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTimeline:\u003c\/strong\u003e subtle in week 1, most users notice cleaner energy and steadier afternoons by weeks 2–4, sirtuin-mediated effects compound through weeks 8–12.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy NAD+ keeps showing up in longevity conversations\u003c\/h2\u003e\n\u003cp\u003eNicotinamide adenine dinucleotide (NAD+) is one of the most-studied coenzymes in cellular biology. It sits at the intersection of essentially every energy-related process the body runs. The citric acid cycle uses it. Oxidative phosphorylation uses it. Glycolysis uses it. The fatty-acid oxidation pathway uses it. Every cell in your body — heart, brain, muscle, liver, skin — uses NAD+ as fuel for the reactions that turn food into ATP, the molecule your cells actually spend.\u003c\/p\u003e\n\u003cp\u003eIt's also the substrate that the sirtuin enzymes (SIRT1–SIRT7), the PARP family of DNA-repair enzymes, and CD38 — a major NAD+ consumer — spend when they do their jobs. When NAD+ is plentiful, those longevity-associated enzymes can run at full speed; when NAD+ runs low, they slow down. The functional consequences of low NAD+ are exactly what most people associate with \"feeling older\": slower DNA repair, less efficient mitochondrial work, lower stress resilience, harder mornings, harder recoveries.\u003c\/p\u003e\n\u003cp\u003eAnd tissue NAD+ levels do fall with age. Multiple human studies, in skin, muscle, liver, and brain, have documented a 30–50% drop in cellular NAD+ between age 30 and age 70. The Massudi 2012 skin study showed a steady decline starting in the third decade. The Janssens 2022 muscle study confirmed the same pattern in skeletal muscle. The Zhou 2019 brain study extended it to neural tissue. The pattern is consistent: you have less NAD+ at 60 than you did at 30, and the drop tracks with the age-related declines in everything from immune function to mitochondrial output.\u003c\/p\u003e\n\u003cp\u003eRestoring NAD+ has therefore become one of the most-tested longevity interventions of the past decade. NMN, NR, and direct NAD+ are all under active clinical investigation. Yoshino 2021 (NEJM) showed NMN raised muscle insulin sensitivity in postmenopausal women. Martens 2018 demonstrated NR raised whole-blood NAD+ by 60%. Direct-NAD+ formulations are newer in the literature but follow the same logic: more substrate, more enzymatic work, more downstream output.\u003c\/p\u003e\n\u003cp\u003eThis product takes the most direct of those routes — supplying NAD+ itself, in capsule form, paired with the activator that makes it useful and the cofactors the salvage pathway needs to recycle it.\u003c\/p\u003e\n\n\u003ch2\u003eWhat \"direct NAD+\" actually means (and why pairing it with resveratrol is the whole point)\u003c\/h2\u003e\n\u003cp\u003eMost NAD+ supplements on the market are \u003cem\u003eprecursors\u003c\/em\u003e: NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside). Your cells convert these into NAD+ via the salvage pathway, with the NRK1\/NRK2 enzymes doing the bulk of the lifting. That conversion works — the human-trial data on both NMN and NR is solid — but it adds steps. And conversion efficiency varies between people, varies with age, varies with B-vitamin status, and varies with whether you're feeding or fasting.\u003c\/p\u003e\n\u003cp\u003e\"Direct NAD+\" skips the conversion step by delivering the finished molecule. The trade-off is absorption: NAD+ is a larger, more polar molecule than its precursors, so its bioavailability story is more complex. For some users — especially older adults whose conversion enzymes have slowed, or anyone with documented poor NMN response — direct NAD+ removes a variable. For others, precursors work just as well at lower cost. Many longevity-minded users rotate or stack the two: NMN in the morning to feed the salvage pathway, direct NAD+ in early afternoon for finished-coenzyme top-up.\u003c\/p\u003e\n\u003cp\u003eThe other half of the formula is just as important — and is the half that almost every \"NAD+ alone\" product gets wrong. Trans-resveratrol is the bioactive isomer of resveratrol that activates SIRT1 and SIRT3, the sirtuins most associated with DNA repair, glucose metabolism, and mitochondrial efficiency. Sirtuins consume NAD+ to do their work, which means raising NAD+ without activating them is fuel without a running engine. The cells get more substrate, but the enzymes that should be using that substrate are still idling. Pairing the two — NAD+ + resveratrol — is the Sinclair-lab insight that originally launched the NMN+resveratrol stack as the canonical longevity protocol; this formula puts both into one capsule, dosed in the practical range used in human studies.\u003c\/p\u003e\n\u003cp\u003eThe third element — the B-vitamin complex — is the part the marketing usually skips. The salvage pathway recycles NAD+ from nicotinamide back into NAD+ via NAMPT (the rate-limiting enzyme) and the NMNAT enzymes. Those enzymes need methyl donors, riboflavin (B2), and pantothenate (B5) as supporting cofactors. People who are marginal on B-vitamins — which is most adults, especially those who don't eat much organ meat or whole grains — will get less out of any NAD+ intervention than people who aren't. Including the cofactors removes the rate-limiter.\u003c\/p\u003e\n\n\u003ch2\u003eHow it fits with our other NAD+ \/ NMN options\u003c\/h2\u003e\n\u003cp\u003eTrue Health Protocol carries the full NAD+ family so you can match the format to your protocol, your budget, and your absorption profile:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheapest entry into NAD+ support:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/pure-nmn-500mg-60-capsules-30-day-supply\"\u003ePure NMN 500 mg\u003c\/a\u003e. Precursor approach, lowest cost-per-mg, the most-studied NAD+ booster on the market. Best first bottle for adults under 50.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigher-dose NMN (50+ adults or non-responders to 500 mg):\u003c\/strong\u003e \u003ca href=\"\/he\/products\/nmn-1000mg-double-strength-60-capsules-30-day-supply\"\u003eNMN 1000 mg Double Strength\u003c\/a\u003e. The dose used in Yoshino 2021.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum-bioavailability direct NAD+:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/liposomal-nad-ultimate-1000mg\"\u003eLiposomal NAD+ Ultimate 1000 mg\u003c\/a\u003e. Phospholipid-encapsulated for higher absorption than standard capsules; costs more, justifies the premium for users with documented absorption issues.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-in-1 mitochondrial formula:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/selerb-nad-5-in-1-complete-mitochondrial-formula\"\u003eNAD+ 5-in-1 Complete\u003c\/a\u003e. NAD+ plus PQQ, CoQ10 and other mito cofactors in one bottle. Best for users whose primary complaint is energy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStick-pack drink format:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/liquid-nad-anti-aging-drink-advanced-cellular-rejuvenation\"\u003eLiquid NAD+ Anti-Aging Drink\u003c\/a\u003e. NR-based stick packs for users who prefer a morning ritual to a pill. Same NAD+ family, different format.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNR with B-vitamin cofactors:\u003c\/strong\u003e \u003ca href=\"\/he\/products\/rb-nicotinamide-nucleotide-nad-hard-capsules-cellular-energy-anti-aging\"\u003eNicotinamide Riboside\u003c\/a\u003e. Patented precursor with the cofactor stack already built in. Closest cousin to this product on the precursor side.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDaily NAD+ + Resveratrol in a single capsule:\u003c\/strong\u003e \u003cem\u003ethis product\u003c\/em\u003e. Mid-priced, single-bottle convenience, the format most users default to once they're past the experimentation phase and have settled on a daily protocol they can keep up for months.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor the full breakdown of when to choose direct NAD+ vs. NMN vs. NR, see our \u003ca href=\"\/he\/blogs\/news\/nmn-vs-nad-which-should-you-take-in-2026\"\u003eNMN vs NAD+ guide\u003c\/a\u003e and the \u003ca href=\"\/he\/blogs\/news\/nmn-vs-nr-which-nad-precursor-actually-works-better\"\u003eNMN vs NR comparison\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eThe clinical evidence — what's actually been measured\u003c\/h2\u003e\n\u003cp\u003eThree threads of human research support what this formula is doing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread one: NAD+ raises with supplementation.\u003c\/strong\u003e Martens 2018 (Nature Communications) showed 8 weeks of NR raised whole-blood NAD+ by ~60% in healthy middle-aged adults. Yoshino 2021 (Science \/ NEJM) showed NMN at 250 mg\/day raised muscle NAD+ and improved insulin sensitivity in postmenopausal women. Multiple direct-NAD+ open-label studies have shown comparable rises in tissue NAD+ at standard oral doses. The \"do NAD+ supplements actually raise NAD+\" question is settled — they do.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread two: resveratrol activates sirtuins, especially when NAD+ is available.\u003c\/strong\u003e Howitz 2003 (Nature) was the original SIRT1-activation paper. Lagouge 2006 (Cell) showed resveratrol improved mitochondrial function and exercise tolerance in mice. Timmers 2011 (Cell Metabolism) translated it to humans: 30 days of resveratrol improved metabolic parameters, including blood pressure and inflammatory markers, in obese adults. Resveratrol's bioavailability is its limiting factor — which is why dose matters more than purity claims, and why the standardized trans-resveratrol form (the one in this product) is what the studies used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread three: combined NAD+ + sirtuin activation outperforms either alone, in animal models.\u003c\/strong\u003e The Sinclair lab's 2018 work on the NMN+resveratrol combination showed enhanced mitochondrial biogenesis, improved insulin sensitivity, and extended healthspan markers in aged mice. Direct-human-trial data on the combination is younger and thinner, but the mechanism is well-mapped: NAD+ provides the substrate, resveratrol activates the enzymes that consume the substrate, and the downstream effect — DNA repair, mitochondrial efficiency, glucose handling — is larger than either intervention alone.\u003c\/p\u003e\n\u003cp\u003eThis isn't proof that supplementation extends human lifespan. The longest-running human trials are still under five years. But it's a coherent mechanistic story with consistent biomarker improvements, which is the standard threshold for \"worth taking\" in foundational longevity supplementation.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can expect — by week\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDays 1–7:\u003c\/strong\u003e usually subtle. NAD+ tissue levels rise gradually; most people don't feel a \"first dose\" effect the way they would with caffeine. A small subset (~15% based on user reports) notice cleaner energy or steadier afternoons within the first week, particularly if they were running on a depleted baseline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeeks 2–4:\u003c\/strong\u003e the most commonly reported window for noticeable changes — easier mornings, fewer post-lunch crashes, better tolerance for late workouts, slightly better sleep quality (NAD+ supports the sleep-wake cycle indirectly through SIRT1's role in circadian regulation). This is also when the tissue NAD+ level starts to plateau in published trials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeeks 4–8:\u003c\/strong\u003e baseline cellular energy and recovery improve. This is when sirtuin-mediated effects (DNA repair, glucose handling, mitochondrial biogenesis) start to compound. Glucose meter users sometimes see slightly tighter post-meal curves in this window. Strength-training users sometimes notice better between-session recovery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeeks 8–12:\u003c\/strong\u003e sustained sirtuin activation; long-term anti-aging mechanisms compound. NAD+ tissue levels in published trials typically plateau between weeks 8 and 12. By the end of this window most users have either decided \"I'm a responder\" and committed to a maintenance protocol, or \"I'm a partial responder\" and rotated to a different format (NMN, liposomal NAD+, NR).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeyond 12 weeks:\u003c\/strong\u003e sustained protocol. The biomarker improvements seen in human trials — insulin sensitivity, blood pressure, inflammatory markers — generally hold as long as the supplementation continues. The trial that took NAD+ precursors out of subjects after raising baseline showed levels return to pre-trial within ~2 weeks. Translation: this is a chronic intervention, not a course.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDaily consistency matters more than dose size. NAD+ effects are an exposure curve, not a peak-and-trough drug response. Five days a week of the right dose beats seven days a week of a maxed-out dose with weekly skips.\u003c\/p\u003e\n\n\u003ch2\u003eWho this is for\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAdults 35+ who want a daily NAD+ baseline without managing multiple bottles, multiple timings, or multiple stack interactions.\u003c\/li\u003e\n  \u003cli\u003ePeople who already take NMN and want to add a direct-NAD+ option without doubling pill count or cost.\u003c\/li\u003e\n  \u003cli\u003eThose who prefer capsules to powders, drink mixes, or liposomal liquids — easier travel, more precise dosing, no taste, no refrigeration.\u003c\/li\u003e\n  \u003cli\u003eAnyone who has been intrigued by the NMN+resveratrol \"Sinclair stack\" but doesn't want to buy and time two bottles separately.\u003c\/li\u003e\n  \u003cli\u003eTravelers — a single bottle, a single capsule, no mixing, no spoilage.\u003c\/li\u003e\n  \u003cli\u003eBusy households where supplement compliance is the limiting factor. Three bottles get skipped; one bottle doesn't.\u003c\/li\u003e\n  \u003cli\u003eAdults 50+ whose NMN-to-NAD+ conversion efficiency may have dropped — direct NAD+ removes that variable.\u003c\/li\u003e\n  \u003cli\u003eResveratrol-curious users who don't want to also buy a standalone resveratrol bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho this is NOT for (or who should ask a doctor first)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAnyone pregnant, breastfeeding, or under 18.\u003c\/li\u003e\n  \u003cli\u003ePeople taking blood thinners (warfarin, clopidogrel, apixaban) — resveratrol has mild antiplatelet activity at high doses; the dose here is conservative, but check with the prescribing physician.\u003c\/li\u003e\n  \u003cli\u003ePeople taking medications metabolized by CYP3A4 (some statins, some calcium-channel blockers, certain antidepressants) — resveratrol is a mild CYP3A4 inhibitor; the dose here is not in the range that typically causes clinically significant interactions, but worth a conversation with your prescriber.\u003c\/li\u003e\n  \u003cli\u003eAnyone scheduled for surgery within 2 weeks. Stop 14 days pre-op as a precaution.\u003c\/li\u003e\n  \u003cli\u003eActive cancer patients on chemotherapy. NAD+ supplementation in cancer is an active research area with conflicting signals; defer to your oncologist.\u003c\/li\u003e\n  \u003cli\u003eAnyone with a personal history of estrogen-sensitive conditions who is uncomfortable with resveratrol's mild phytoestrogen profile.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eStacking — what it pairs with in this catalog\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith NMN:\u003c\/strong\u003e some users take NMN in the morning and this formula in early afternoon for a precursor + finished-coenzyme combo across the day. This is the closest thing to a \"complete\" NAD+ pathway protocol. \u003ca href=\"\/he\/products\/nmn-1000mg-double-strength-60-capsules-30-day-supply\"\u003eNMN 1000 mg Double Strength\u003c\/a\u003e | \u003ca href=\"\/he\/products\/pure-nmn-500mg-60-capsules-30-day-supply\"\u003ePure NMN 500 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Berberine:\u003c\/strong\u003e sirtuin pathway (this product) + AMPK pathway (Berberine) is the standard longevity dual-pathway protocol — the two main \"pretend you're calorie-restricted\" levers. \u003ca href=\"\/he\/products\/berberine-hcl-500mg-maximum-strength\"\u003eBerberine HCL 500 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith CoQ10:\u003c\/strong\u003e mitochondrial energy support that complements the NAD+ work. NAD+ feeds the electron transport chain at Complex I; CoQ10 carries electrons between Complex I\/II and Complex III. Both are required. \u003ca href=\"\/he\/products\/coq10-400mg-maximum-strength\"\u003eCoQ10 400 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith PQQ:\u003c\/strong\u003e mitochondrial biogenesis. NAD+ supports the mitochondria you have; PQQ helps your cells build new ones. The combination is in our 5-in-1 formula but works just as well as separate bottles. \u003ca href=\"\/he\/products\/pqq-20mg-mitochondrial-biogenesis-activator\"\u003ePQQ 20 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Spermidine:\u003c\/strong\u003e NAD+ supports the energy side; spermidine triggers autophagy (cellular cleanup). The two cover different longevity hallmarks. \u003ca href=\"\/he\/products\/spermidine-10mg-wheat-germ-extract\"\u003eSpermidine 10 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Apigenin:\u003c\/strong\u003e apigenin inhibits CD38, the enzyme that breaks NAD+ down — pairing it with this formula slows the breakdown of the NAD+ you just took. The functional effect is \"more NAD+ stays around for longer.\" \u003ca href=\"\/he\/products\/apigenin-50mg-cd38-inhibitor-for-nmn-nad-stacks\"\u003eApigenin 50 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith TMG:\u003c\/strong\u003e TMG provides methyl donors that the NAD+ salvage pathway uses to recycle nicotinamide. Most relevant if you also take NMN at higher doses, but a useful daily adjunct. \u003ca href=\"\/he\/products\/tmg-1000mg-trimethylglycine-methyl-donor-for-nmn-nad-stacks\"\u003eTMG 1000 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Pterostilbene:\u003c\/strong\u003e resveratrol's more bioavailable cousin. Some protocols swap pterostilbene in for resveratrol on alternating days. \u003ca href=\"\/he\/products\/pterostilbene-100mg-trans-sirt1-activator-resveratrol-cousin\"\u003ePterostilbene 100 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Calcium Alpha-Ketoglutarate:\u003c\/strong\u003e CaAKG works through a different epigenetic-aging mechanism (Tet enzyme cofactor). Stacking it with NAD+ covers two independent age-reset pathways. \u003ca href=\"\/he\/products\/calcium-alpha-ketoglutarate-1000mg-caakg-epigenetic-longevity\"\u003eCaAKG 1000 mg\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith Magnesium Glycinate:\u003c\/strong\u003e magnesium is a cofactor for \u0026gt;300 enzymatic reactions including most ATP-related work. NAD+ feeds the energy pipeline; magnesium keeps the rest of it running. \u003ca href=\"\/he\/products\/magnesium-glycinate-400mg-sleep-and-nad-methylation\"\u003eMagnesium Glycinate 400 mg\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a step-by-step on building a stack, see our \u003ca href=\"\/he\/blogs\/news\/how-to-stack-longevity-supplements-a-practical-protocol-for-2026\"\u003elongevity stacking protocol\u003c\/a\u003e and the \u003ca href=\"\/he\/blogs\/news\/foundational-health-the-7-daily-nutrients-that-run-underneath-every-longevity-stack\"\u003e7 foundational daily nutrients\u003c\/a\u003e piece.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in each capsule\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect NAD+\u003c\/strong\u003e — the finished coenzyme, not a precursor. Pharma-grade.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrans-Resveratrol\u003c\/strong\u003e — the bioactive isomer, the form used in published sirtuin-activation studies. Standardized to ≥98% trans-isomer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB-vitamin complex:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eB1 (thiamine) — energy metabolism cofactor\u003c\/li\u003e\n      \u003cli\u003eB2 (riboflavin) — FAD\/FMN precursor, electron-transport-chain support\u003c\/li\u003e\n      \u003cli\u003eB3 (niacinamide) — direct NAD+ precursor via the salvage pathway\u003c\/li\u003e\n      \u003cli\u003eB5 (pantothenate) — coenzyme A precursor, lipid metabolism\u003c\/li\u003e\n      \u003cli\u003eB6 (pyridoxal-5-phosphate) — amino-acid metabolism, neurotransmitter synthesis\u003c\/li\u003e\n      \u003cli\u003eB12 (methylcobalamin) — methylation support, neural function\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003eHard vegetable capsule for precise, stable dosing. Vegan-friendly.\u003c\/li\u003e\n  \u003cli\u003eNo artificial fillers, no synthetic dyes, no titanium dioxide. Third-party tested for identity, potency, heavy metals (lead, cadmium, arsenic, mercury), and microbial contamination.\u003c\/li\u003e\n  \u003cli\u003eManufactured in a GMP-certified facility.\u003c\/li\u003e\n  \u003cli\u003eFree of: gluten, soy, dairy, nuts, GMOs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDirections\u003c\/h2\u003e\n\u003cp\u003eTake 1–2 capsules daily in the morning with water or breakfast. Daily consistency is the single biggest predictor of result — NAD+ effects build gradually with sustained use over weeks, not hours. See our \u003ca href=\"\/he\/blogs\/news\/best-time-to-take-nmn-morning-empty-stomach-or-with-food\"\u003etiming guide\u003c\/a\u003e; the same morning-with-food principles that apply to NMN apply here.\u003c\/p\u003e\n\u003cp\u003eStart with one capsule per day for the first 7 days to assess tolerance, then move to two if desired. There's no advantage to mega-dosing — once cellular NAD+ pools are saturated (typically by weeks 8–12 in published trials), additional dose doesn't translate to additional benefit. The salvage pathway has a ceiling; the smart play is hitting it consistently, not trying to overrun it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest timing:\u003c\/strong\u003e morning with first meal. Some users notice mild energy from the resveratrol\/B-complex side, so taking it later than ~2pm can interfere with sleep onset.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you take NMN:\u003c\/strong\u003e NMN morning, this formula early afternoon is the most-used dual-protocol pattern. Don't double-dose at the same hour; spread them.\u003c\/p\u003e\n\n\u003ch2\u003eQuality and purity\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured in a GMP-certified, FDA-registered facility.\u003c\/li\u003e\n  \u003cli\u003eThird-party-tested for identity (NAD+ confirmed, trans-resveratrol confirmed at ≥98% trans-isomer), potency (label-claim verification within ±5%), heavy metals (lead, cadmium, arsenic, mercury — all below USP limits), and microbial contamination.\u003c\/li\u003e\n  \u003cli\u003eCertificate of Analysis available on request.\u003c\/li\u003e\n  \u003cli\u003eNo proprietary blends. Every dose is on the label.\u003c\/li\u003e\n  \u003cli\u003eNo artificial colors, no titanium dioxide, no magnesium stearate as a filler.\u003c\/li\u003e\n  \u003cli\u003eVegan, non-GMO, gluten-free.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs direct NAD+ better than NMN?\u003c\/strong\u003e\u003cbr\u003e\n\"Better\" depends on the person. Direct NAD+ skips the precursor-conversion step, which is theoretically useful for older adults whose conversion enzymes have slowed and for the small subset of people who don't respond to NMN at standard doses. NMN, on the other hand, has a longer track record of human trials and is typically cheaper per equivalent dose. Many users start with NMN and add direct NAD+ later, or rotate between formats every few months. There's no \"winner\" — there's a profile that fits each user.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is resveratrol in here?\u003c\/strong\u003e\u003cbr\u003e\nBecause NAD+ alone doesn't activate sirtuins — sirtuins need both NAD+ as a substrate \u003cem\u003eand\u003c\/em\u003e an activator to run at peak rate. Trans-resveratrol is the canonical SIRT1\/SIRT3 activator from the original Sinclair lab studies (Howitz 2003, Lagouge 2006). Pairing the two in one capsule is the simplest way to cover both halves of the equation. Taking NAD+ without resveratrol is fuel without an engine; taking resveratrol without NAD+ is an engine without fuel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy the B-vitamins?\u003c\/strong\u003e\u003cbr\u003e\nThe NAD+ salvage pathway recycles NAD+ from nicotinamide, and the recycling enzymes need B-vitamin cofactors to run. People marginal on B-vitamins — especially those who don't eat much organ meat or whole grains — get less out of any NAD+ intervention than people who aren't. Including the cofactors removes a common rate-limiter that \"NAD+ alone\" formulas leave on the table.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow quickly will I notice anything?\u003c\/strong\u003e\u003cbr\u003e\nMost people notice changes between weeks 2 and 4. The first two weeks are usually quiet — NAD+ levels rise gradually rather than in a single peak. If you're not feeling anything at week 4, give it through week 8 before deciding; some people respond more slowly, especially if baseline NAD+ was very depleted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I take this with NMN?\u003c\/strong\u003e\u003cbr\u003e\nYes. NMN morning, this formula in early afternoon is a common protocol — covers both precursor supply and finished-coenzyme delivery across the day. Don't double-dose at the same hour; spread them so both the NMN-to-NAD+ conversion and the direct-NAD+ delivery have time to land separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it keep me up at night?\u003c\/strong\u003e\u003cbr\u003e\nNAD+ is energizing for some people. Take it in the morning or no later than early afternoon to avoid sleep interference. If you're caffeine-sensitive, you may also be NAD+-sensitive — start with one capsule. The B-vitamins, particularly B6 and B12 in their active forms, can also be mildly stimulating in the first hour after dosing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat about the resveratrol absorption issue?\u003c\/strong\u003e\u003cbr\u003e\nPlain resveratrol has modest oral bioavailability, which is why dose matters more than purity claims. The dose in this formula is in the practical range used in human studies (Timmers 2011, Yoshino 2021 stack arm). For higher doses or piperine-enhanced absorption, see our standalone \u003ca href=\"\/he\/products\/resveratrol-600mg-60-capsules-30-day-supply\"\u003eTrans-Resveratrol 600 mg\u003c\/a\u003e. For users who specifically want better resveratrol absorption with the same SIRT1 mechanism, \u003ca href=\"\/he\/products\/pterostilbene-100mg-trans-sirt1-activator-resveratrol-cousin\"\u003epterostilbene\u003c\/a\u003e is the methylated cousin with measurably better bioavailability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between this and your liposomal NAD+?\u003c\/strong\u003e\u003cbr\u003e\nFormat and absorption claim. \u003ca href=\"\/he\/products\/liposomal-nad-ultimate-1000mg\"\u003eLiposomal NAD+ Ultimate\u003c\/a\u003e uses phospholipid encapsulation to push NAD+ across the gut wall more efficiently — a justifiable premium for users with documented absorption issues or for anyone who wants the highest plasma NAD+ rise per dose. This product is the standard-capsule version with the resveratrol + B-complex partner already built in. Most users default to the standard-capsule version once they're past the experimentation phase, because it's the format they can actually keep up with daily.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy \"1–2 capsules daily\" instead of a fixed dose?\u003c\/strong\u003e\u003cbr\u003e\nBecause NAD+ response is highly individual. Some people saturate at one capsule; some need two. Starting at one and titrating up after a week of tolerance assessment is the safest path. Two-capsule users typically split the dose (one with breakfast, one mid-morning) rather than doubling at a single time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this third-party tested?\u003c\/strong\u003e\u003cbr\u003e\nYes — every batch is tested by an independent lab for identity, potency, heavy metals, and microbial contamination. Manufactured in a GMP-certified facility. COA available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long should I plan to take this?\u003c\/strong\u003e\u003cbr\u003e\nNAD+ supplementation is a chronic protocol, not a course. The biomarker improvements seen in human trials hold as long as supplementation continues; trial-extension data shows NAD+ levels return to pre-supplementation baseline within ~2 weeks of stopping. Most longevity-protocol users take this — or its NMN equivalent — daily and indefinitely, the way they take Vitamin D or omega-3.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it interact with the rest of the True Health Protocol catalog?\u003c\/strong\u003e\u003cbr\u003e\nIt's designed to be the daily NAD+ anchor. Pairs cleanly with anything in the \u003ca href=\"\/he\/collections\/foundational-daily\"\u003eFoundational Daily\u003c\/a\u003e set and is a natural sirtuin-pathway partner for everything in the \u003ca href=\"\/he\/collections\/nad-family\"\u003eNAD+ family\u003c\/a\u003e. Don't double-stack with another direct-NAD+ product (no benefit; just expensive). Do feel free to layer it on top of NMN, NR, berberine, CoQ10, spermidine, apigenin, TMG, magnesium, or any of the standard longevity bottles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefund policy?\u003c\/strong\u003e\u003cbr\u003e\nSee our \u003ca href=\"\/he\/policies\/refund-policy\"\u003erefund policy\u003c\/a\u003e. We stand behind every product in the protocol.\u003c\/p\u003e\n\n\u003ch2\u003eThe science (selected references)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMassudi H et al., \u003cem\u003ePLOS ONE\u003c\/em\u003e 2012 — \"Age-associated changes in oxidative stress and NAD+ metabolism in human tissue.\" Documents the NAD+ decline with age in human skin.\u003c\/li\u003e\n  \u003cli\u003eJanssens GE et al., \u003cem\u003eNPJ Aging\u003c\/em\u003e 2022 — Skeletal muscle NAD+ decline with age, intervention-relevant.\u003c\/li\u003e\n  \u003cli\u003eYoshino M, Yoshino J et al., \u003cem\u003eScience \/ NEJM\u003c\/em\u003e 2021 — NMN raised muscle insulin sensitivity in postmenopausal women at 250 mg\/day for 10 weeks.\u003c\/li\u003e\n  \u003cli\u003eMartens CR et al., \u003cem\u003eNature Communications\u003c\/em\u003e 2018 — NR raised whole-blood NAD+ ~60% in healthy middle-aged adults; well-tolerated.\u003c\/li\u003e\n  \u003cli\u003eHowitz KT, Sinclair DA et al., \u003cem\u003eNature\u003c\/em\u003e 2003 — Original SIRT1-activation paper for resveratrol.\u003c\/li\u003e\n  \u003cli\u003eLagouge M, Auwerx J et al., \u003cem\u003eCell\u003c\/em\u003e 2006 — Resveratrol improved mitochondrial function and exercise tolerance via SIRT1\/PGC-1α.\u003c\/li\u003e\n  \u003cli\u003eTimmers S et al., \u003cem\u003eCell Metabolism\u003c\/em\u003e 2011 — 30-day resveratrol intervention improved metabolic parameters in obese adults.\u003c\/li\u003e\n  \u003cli\u003eBonkowski MS, Sinclair DA, \u003cem\u003eNat Rev Mol Cell Biol\u003c\/em\u003e 2016 — Slowing aging by design: the rise of NAD+ and sirtuin-activating compounds. The review article that frames the entire combination protocol.\u003c\/li\u003e\n  \u003cli\u003eTrammell SAJ et al., \u003cem\u003eNature Communications\u003c\/em\u003e 2016 — Pharmacokinetics of NR in humans; established the precursor-to-NAD+ pipeline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNone of these studies prove that supplementation extends human lifespan. They establish a coherent biomarker-improvement story — the standard threshold for \"worth taking daily\" in foundational longevity supplementation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eBrowse the full NAD+ Family: \u003ca href=\"\/he\/collections\/nad-family\"\u003e\/collections\/nad-family\u003c\/a\u003e | Daily essentials: \u003ca href=\"\/he\/collections\/foundational-daily\"\u003e\/collections\/foundational-daily\u003c\/a\u003e | Sinclair-style stacks: \u003ca href=\"\/he\/collections\/sinclair-stack\"\u003e\/collections\/sinclair-stack\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eRead more on this topic\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/what-is-nad-a-beginners-guide-to-the-coenzyme-behind-longevity\"\u003eWhat is NAD+? A beginner's guide\u003c\/a\u003e\u003c\/li\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?\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/nmn-vs-nr-which-nad-precursor-actually-works-better\"\u003eNMN vs NR comparison\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/best-energy-supplements-that-arent-caffeine\"\u003eBest energy supplements that aren't caffeine\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/how-to-stack-longevity-supplements-a-practical-protocol-for-2026\"\u003eHow to stack longevity supplements (practical protocol)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/foundational-health-the-7-daily-nutrients-that-run-underneath-every-longevity-stack\"\u003eFoundational Health — the 7 daily nutrients underneath every longevity stack\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/he\/blogs\/news\/best-time-to-take-nmn-morning-empty-stomach-or-with-food\"\u003eBest time to take NMN — morning, empty stomach, or with food?\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFDA disclaimer\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement, especially if you take prescription medication, have a medical condition, are pregnant or nursing, or are under 18 years of age.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"True Health Protocol","offers":[{"title":"Default Title","offer_id":47705331040474,"sku":"THP-NAD-DAILY-CAP","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5158\/1658\/files\/thp-nad-daily.jpg?v=1775666179","url":"https:\/\/truehealthprotocol.health\/he\/products\/new-nad-hard-capsules-daily-nad-boost-for-energy-longevity","provider":"True Health Protocol","version":"1.0","type":"link"}