This product targets cellular aging by supplying 300mg of **Nicotinamide Riboside** (NIAGEN), an NAD+ precursor that helps your body replenish the coenzyme responsible for energy metabolism, DNA repair, and sirtuin activation. At 300mg, you're above the 250mg minimum studied in humans.

NAD+ levels naturally decline as you age — research estimates roughly a 40% drop between ages 30 and 70. NR has been shown to dose-dependently raise NAD+ blood levels, and 300mg daily has demonstrated measurable increases in clinical studies.

The caveat is that most rigorous clinical trials used 1,000mg daily (often split into two doses). At 300mg, you're getting a meaningful but lower-end dose. If you're looking for the full research-backed protocol, you'd need to take more than one capsule — which makes this a 30-day supply turn into 10 days or less.

BioStacks
Life Extension

NAD+ Cell Regenerator

1 Capsule · 30 servings · $1.35/serving

iHerbAmazon

Best for

Longevity

Ingredients (1)

NIAGEN Nicotinamide Riboside

100%

Dose

300 mg

Target

250–1000 mg

Form

Premium

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Vegetable StearateLubricant

A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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