BioStacks
Nature's Way

Resveratrol

2 Capsules · 30 servings · $0.87/serving

46 / 100Average

Score Breakdown

Formulation
46
Safety
100
Final score
46/100

Ingredients (5)

Japanese Knotweed extract

100%

Dose

150 mg

Target

150–500 mg

Form

Standard

Grape Seed extract

67%

Dose

100 mg

Target

150–600 mg

Form

Red Wine powder

80%

Dose

200 mg

Target

250–500 mg

Form

Red Wine extract

80%

Dose

200 mg

Target

250–500 mg

Form

Resveratrol

50%

Dose

75 mg

Target

150–500 mg

Form

Not listed

Other Ingredients (3)

Magnesium StearateLubricant

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

Microcrystalline CelluloseBinder

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

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

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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.