BioStacks
Best for
Ingredients (11)
Zinc
100%Dose
20 mg
Target
15–30 mg
Form
Premium
Iodine
100%Dose
200 mcg
Target
150–500 mcg
Form
Premium
Vitamin E
100%Dose
134 mg
Target
50–268 mg
Form
Premium
Selenium
100%Dose
200 mcg
Target
100–200 mcg
Form
Premium
Ashwagandha root extract
100%Dose
300 mg
Target
300–600 mg
Form
Standard
Other Ingredients (5)
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
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Price Check
$45.40
Pricier than 95% of 41 tyrosine 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.