If you're interested in cellular energy and longevity support, **NMN** (nicotinamide mononucleotide) is an NAD+ precursor with growing clinical interest, and this product gives you 175mg per capsule. The catch is that most clinical trials use 250–500mg/day, so at one capsule you're getting about 35–70% of the doses that have shown measurable increases in blood NAD+ levels. You'd need two capsules daily to reach the 250mg minimum studied dose.

NMN has growing clinical evidence for raising NAD+ levels in humans, with several RCTs published since 2022 showing improvements in markers related to energy metabolism and cellular repair. The capsule form is straightforward, and at 60 capsules per container you get one to two months depending on your dose.

The underdosing at one capsule is the main concern. If you follow the label's suggested single capsule, you're below the clinical threshold where benefits have been demonstrated. Doubling up brings you into range but cuts your supply in half and increases your cost per effective dose.

BioStacks
California Gold Nutrition

NMN 175 mg

1 Capsule · 60 servings · $0.25/serving

iHerbAmazon

Best for

Longevity

Ingredients (1)

Beta-Nicotinamide Mononucleotide

70%

Dose

175 mg

Target

250–1000 mg

Form

Standard

Other Ingredients (6)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

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

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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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