BioStacks
Ingredients (7)
Horse Chestnut (seed) extract
100%Dose
300 mg
Target
300–600 mg
Form
—
Butcher’s Broom
100%Dose
150 mg
Target
150–300 mg
Form
—
Cayenne Pepper
60%Dose
150 mg
Target
250–1000 mg
Form
—
Vitamin C
12%Dose
30 mg
Target
250–2000 mg
Form
Budget
Grape seed extract
25%Dose
37 mg
Target
150–600 mg
Form
—
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
Plain ascorbic acid is acidic — high doses can bite on an empty stomach. Take it with food if that happens, and split doses above ~500 mg.
With or without food
On the label
Take 2 capsules daily, preferably with food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.49
Near the median of 41 grape seed extract 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.