Kasivit NAD Supplement for Healthy Aging & Cell Regeneration
✓ Third-Party Tested | GMP Certified | Made in USA | Non-GMO | Gluten-Free
Kasivit

Kasivit NAD Supplement for Healthy Aging & Cell Regeneration

NAD+ Precursor Complex — NMN and NR combined for cellular energy, DNA repair, and healthy aging. NAD+ declines 50% between age 40 and 60, affecting every energy-producing cell in the body.

💊Take 1-2 capsules daily in the morning on an empty stomach or with a light meal.
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🧪 Third-Party Tested
🇺🇸 Made in USA
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👨‍⚕️ Evidence-Rated
🥉

Bronze Evidence Rating — Clinically Reviewed

Key ingredients validated in human studies · Emerging research category — evidence is growing.

🛡️

Every rated Kasivit supplement has passed our Evidence Review. Gold, Silver, and Bronze all meet our standard — the rating tells you the strength of the clinical research behind the primary claim, not whether the product is worth buying. We don’t list a Kasivit supplement unless it passes our review. View the Evidence Standard →

Why It Works

Key Benefits

🔋
Restores Declining NAD+ Levels
NAD+ declines by 50% or more between ages 40 and 60. NMN is the direct precursor your cells convert to NAD+ — restoring levels that support cellular energy and repair.
🧬
Activates Longevity Sirtuins
NAD+ is required to activate SIRT1-SIRT7 — proteins linked to DNA repair, epigenetic regulation, and lifespan extension in David Sinclair's research at Harvard.
⚡
Mitochondrial Energy Support
NAD+ is a critical cofactor in the electron transport chain. Restoring levels supports mitochondrial efficiency and combats the cellular energy deficits driving age-related fatigue.
🛡️
DNA Repair & Cellular Resilience
PARP enzymes — key DNA repair proteins — consume large amounts of NAD+. Maintaining adequate levels ensures efficient repair of daily DNA damage.
🧠
Cognitive & Physical Performance
Human NMN trials show improvements in physical endurance, muscle function, and subjective cognitive performance in older adults.
✅This product is for you if…
You are over 35 and want to address age-related decline in NAD+ levels
You experience fatigue, brain fog, or reduced exercise capacity related to aging
You are interested in evidence-based longevity and cellular health support
You want to support DNA repair mechanisms and mitochondrial function
You are on a GLP-1 medication and want to support cellular metabolism during weight loss
⚠️Consult your healthcare provider if…
You are pregnant or nursing — consult your physician before use
You take prescription medications — consult your physician before adding any new supplement
You have a serious medical condition — always discuss supplement use with your healthcare provider
Formula

Ingredients & Dosages

Serving size: Take 1-2 capsules daily in the morning on an empty stomach or with a light meal.

Ingredient Amount Per Serving Purpose
NMN (Nicotinamide Mononucleotide) 500 mg Direct NAD+ precursor — converted to NAD+ in cells to support energy metabolism, sirtuin activation, and DNA repair

† Daily Value not established. Other ingredients may include: microcrystalline cellulose, vegetable capsule (HPMC), magnesium stearate (vegetable source), silicon dioxide. Free from: gluten, dairy, soy, artificial colors and flavors.

Science

Clinical Evidence

Every Kasivit product is backed by peer-reviewed research. Here's what the science says.

🔬
NMN supplementation (250mg/day) significantly improved muscle insulin sensitivity, physical performance, and NAD+ metabolite levels in older women in a 10-week RCT
Yoshino M et al. Science, 2021;372(6547):1224-1229. ↗
🔬
Oral NMN is rapidly absorbed and converted to NAD+ in human blood — confirmed in the first human clinical pharmacokinetics trial
Irie J et al. Endocr J, 2020;67(2):153-160. ↗
🔬
NAD+ levels decline significantly with age in human skeletal muscle, and NMN supplementation restored these levels while improving insulin sensitivity
Yoshino J et al. Cell Metab, 2011;14(4):528-536. ↗
👨‍⚕️ All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.
AG
Dr. Adarsh K Gupta
DO, MS · Founder, Kasivit
Healthcare Provider's Note
NAD+ is not a trend — it is fundamental cell biology. Every cell in your body requires NAD+ to produce energy through the mitochondrial electron transport chain, and to activate sirtuins, the proteins that regulate DNA repair and cellular longevity. The problem is that NAD+ levels fall dramatically with age — approximately 50% between 40 and 60. NMN and NR are the two best-studied oral precursors that restore intracellular NAD+ levels. I include both because the evidence supports them through complementary mechanisms.
  • Maintain Energy
  • Maintain Metabolic Health
  • Maintain Cognitive Function
  • Vegetarian

NAD+ is a vital coenzyme that plays a key role in cellular energy production and overall metabolic function. Our NAD+ Supplement provides 500mg of NAD+ (Nicotinamide Adenine Dinucleotide), helping support normal cellular repair processes and maintain vitality as part of a healthy lifestyle. With the addition of Quercetin and Resveratrol, this formula offers plant-based support for overall well-being.

Quercetin, a natural flavonoid, helps promote a normal inflammatory response and supports optimal immune function. Resveratrol, sourced from Japanese Knotweed, is known for its role in supporting cardiovascular health and helping maintain cognitive wellness. Together, these ingredients complement NAD+ to help sustain energy and promote cellular resilience.

Ingredients: NAD+ (Nicotinamide Adenine Dinucleotide) (500 mg), Quercetin Dihydrate Extract (250 mg), Japanese Knotweed Extract (98% Resveratrol) (150 mg), HPMC (vegetable capsule), Microcrystalline Cellulose (MCC), Brown Rice Flour, Olive Oil, Silicon Dioxide, Magnesium Stearate.

Manufacturer's country: USA | Product amount: 60 capsules / 1.8 oz / 50 g | Gross weight: 2.4 oz / 68 g

Suggested use: As a dietary supplement, adults take two (2) capsules daily. For best results, take with 6oz (177ml) of water or as directed by healthcare professional.

Warning: Do not exceed recommended dose. KEEP OUT OF THE REACH OF CHILDREN. DO NOT USE IF SAFETY SEAL IS DAMAGED OR MISSING. STORE IN A COOL, DRY PLACE.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Gluten-freeVegetarianLactose-freeNon-GMOVegan friendly

Questions

Frequently Asked Questions