If you’re focused on healthy aging and cellular energy, this delivers 300mg of **Nicotinamide Riboside** (NIAGEN) — above the 250mg minimum studied for raising NAD+ levels, the coenzyme your cells rely on for DNA repair and energy production. At 300mg, you're at the most common consumer dose, though clinical trials often used 1,000mg.

The secondary ingredients are where the formula falls short for you. **Trans-Resveratrol** is included at just 10mg — roughly 7% of the 150mg minimum used in clinical research. **Quercetin** comes in at 5mg, which is 1% of the 500mg studied dose. These amounts are too low to expect any measurable benefit from either compound, even with the fenugreek-based bioavailability enhancers included.

Your real value here is the NR — the resveratrol and quercetin are present in name only. If longevity polyphenols matter to you, those would need to come from a separate supplement at meaningful doses.

BioStacks
Life Extension

NAD+ Cell Regenerator and Resveratrol Elite, 30 Vegetarian Capsules

Capsule · 30 servings · $1.50/serving

77 / 100Good

Supports

Score Breakdown

Formulation
77
Safety
100
Final score
77/100

Ingredients (4)

3 scored · 1 not scored

Nicotinamide Riboside300 mg

Within effective range · Premium form

Resveratrol Elite Proprietary Blend10 mg

7% of effective dose

Bio-Quercetin Proprietary Blend5 mg

1% of effective dose

Bio-Fisetin Proprietary Blend2.2 mg

Blend — can't score individual ingredients

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

5Safe

Silicon DioxideAnti-caking

Safe

Microcrystalline CelluloseBinder

Safe

Sunflower LecithinEmulsifier

Safe

Vegetable OilCarrier

Safe

Microcrystalline CelluloseBinder

Safe

vegetable stearate

Unknown

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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.