BioStacks
Pure Encapsulations

Resveratrol Extra

1 Capsule · 120 servings · $0.70/serving

27 / 100Poor

Best for

Score Breakdown

Formulation
27
Safety
100
Final score
27/100

Ingredients (3)

Trans-Resveratrol100 mg

67% of effective dose · Premium form

Grape (Vitis vinifera) extract50 mg

33% of effective dose

Red Wine Grape (Vitis vinifera) concentrate50 mg

20% of effective dose

Other Ingredients

Fillers, coatings, and additives

3Safe

Ascorbyl PalmitateAntioxidant

Safe

Hypoallergenic Plant FiberFiller

Safe

Capsule ShellCapsule

Safe

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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.