BioStacks
Best for
Ingredients (12)
Vitamin B6
100%Dose
20 mg
Target
1.3–25 mg
Form
Premium
Hawthorn flower, leaf extract
94%Dose
150 mg
Target
160–900 mg
Form
—
Magnesium
100%Dose
150 mg
Target
100–400 mg
Form
Budget
Olive leaf extract
67%Dose
100 mg
Target
150–500 mg
Form
—
Hibiscus flower powder
40%Dose
100 mg
Target
250–1500 mg
Form
—
Other Ingredients (3)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
As a dietary supplement, take two capsules once daily or as directed by a healthcare practitioner. Store tightly closed in a cool, dry place.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$39.95
Pricier than 74% of 52 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.