BioStacks
Best for
Ingredients (5)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
100%Dose
900 mg
Target
25–200 mg
Form
Budget
Vitamin E
30%Dose
15 mg
Target
50–268 mg
Form
Budget
Vitamin A
64%Dose
450 mcg RAE
Target
700–1500 mcg
Form
Standard
Zinc
73%Dose
11 mg
Target
15–30 mg
Form
Budget
Other Ingredients
No other ingredients listed
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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.