BioStacks
Best for
Ingredients (3)
Asian Knotweed Root Extract
100%Dose
200 mg
Target
150–500 mg
Form
Premium
Grape Seed Extract
33%Dose
50 mg
Target
150–600 mg
Form
—
Red Wine Extract
40%Dose
100 mg
Target
250–500 mg
Form
—
Other Ingredients (2)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Poorly absorbed on its own — take with a fat-containing meal.
With a meal containing fat
On the label
Take 1 capsule per day with or without a meal or as directed by your qualified healthcare provider.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.99
Cheaper than 86% of 57 resveratrol 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.