BioStacks
Best for
Ingredients (7)
Vitamin B6
100%Dose
37.5 mg
Target
1.3–25 mg
Form
Premium
L-Tyrosine
100%Dose
750 mg
Target
500–2000 mg
Form
—
Chromium
30%Dose
60 mcg
Target
200–1000 mcg
Form
Premium
Vitamin C
100%Dose
500 mg
Target
25–200 mg
Form
Budget
DL-Phenylalanine
100%Dose
1000 mg
Target
500–1500 mg
Form
—
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
HypromelloseCapsule
Plant-derived capsule material from cellulose
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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.