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
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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.