BioStacks
Best for
Ingredients (7)
L-Leucine
100%Dose/day
2700 mg
Target
2000–5000 mg
Form
—
Vitamin B6
96%Dose/day
24 mg
Target
25–100 mg
Form
Premium
L-Valine
90%Dose/day
1350 mg
Target
1500–4000 mg
Form
—
L-Isoleucine
90%Dose/day
1350 mg
Target
1500–4000 mg
Form
—
Vitamin B12
100%Dose/day
1059 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (3)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
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.