BioStacks
Best for
Ingredients (13)
Niacin
100%Dose
254 mg
Target
25–500 mg
Form
Standard
NIAGEN
100%Dose
300 mg
Target
250–1000 mg
Form
Premium
Biotin
4%Dose
37.5 mcg
Target
1000–5000 mcg
Form
—
Vitamin B6
38%Dose
0.5 mg
Target
1.3–25 mg
Form
—
Vitamin B12
1%Dose
1.5 mcg
Target
250–5000 mcg
Form
Not listed
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.