BioStacks
Best for
Ingredients (10)
Zinc
100%Dose
22 mg
Target
15–30 mg
Form
Premium
Vitamin B6
100%Dose
37 mg
Target
25–100 mg
Form
Premium
Echinacea Proprietary Blend
100%Dose
525 mg
Target
300–1500 mg
Form
—
Vitamin A
100%Dose
2250 mcg RAE
Target
700–1500 mcg
Form
Budget
Vitamin C
100%Dose
750 mg
Target
250–2000 mg
Form
Budget
Other Ingredients (1)
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
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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.