BioStacks
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.
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 2 capsules one or two times daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$25.99
Near the median of 58 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.