BioStacks
Best for
Ingredients (11)
L-Methionine
100%Dose
270 mg
Target
200–1000 mg
Form
—
Vitamin B-6
56%Dose
14 mg
Target
25–100 mg
Form
Premium
L-Histidine
68%Dose
338 mg
Target
500–4000 mg
Form
—
L-Phenylalanine
60%Dose
300 mg
Target
500–1500 mg
Form
—
L-Threonine
54%Dose
270 mg
Target
500–4000 mg
Form
—
Other Ingredients (2)
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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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.