BioStacks
Best for
Ingredients (5)
Vitamin B6
100%Dose
3 mg
Target
1.3–25 mg
Form
Premium
Magnesium
100%Dose
140 mg
Target
100–400 mg
Form
Budget
Tribulus terrestris extract
100%Dose
250 mg
Target
250–1500 mg
Form
—
Eurycoma longifolia extract
25%Dose
50 mg
Target
200–400 mg
Form
—
Zinc Mono-L-Methionine Sulfate
5%Dose
9 mg
Target
200–1000 mg
Form
Not listed
Other Ingredients (3)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Price Check
$27.00
Pricier than 80% of 16 methionine 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.