BioStacks
Best for
Ingredients (13)
Vitamin C
100%Dose
500 mg
Target
250–2000 mg
Form
Standard
Mg Ascorbate
8%Dose
20 mg
Target
250–2000 mg
Form
Standard
Zinc
9%Dose
1.3 mg
Target
15–30 mg
Form
Standard
Manganese
6%Dose
0.1 mg
Target
1.8–5 mg
Form
Standard
Mixed Citrus Bioflavonoids
20%Dose
50 mg
Target
250–1000 mg
Form
—
Other Ingredients (3)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
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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.