BioStacks
Best for
Ingredients (9)
Hawthorn berry extract
94%Dose
150 mg
Target
160–900 mg
Form
—
Vitamin C
100%Dose
250 mg
Target
50–250 mg
Form
Budget
Silymarin
33%Dose
50 mg
Target
150–600 mg
Form
Budget
Quercetin
20%Dose
100 mg
Target
500–1000 mg
Form
—
Grape seed extract
17%Dose
25 mg
Target
150–600 mg
Form
—
Other Ingredients (4)
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Best taken in the morning
Contains Green Tea Leaf Extract, which is stimulating — keep it to the morning. What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
Keep it away from iron-rich meals
Space it a couple of hours from Iron
On the label
1 tablet, 1 to 3 times daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.