BioStacks
Best for
Ingredients (4)
Selenium
100%Dose/day
166 mcg
Target
100–200 mcg
Form
Premium
Shiitake Extract 4:1
100%Dose/day
1000 mg
Target
1000–3000 mg
Form
Standard
Holy Basil Extract
83%Dose/day
250 mg
Target
300–600 mg
Form
Premium
Myo-Inositol
60%Dose/day
1200 mg
Target
2000–4000 mg
Form
—
Other Ingredients (4)
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Selenium is easier on the stomach taken with food.
With food
Split into 2 doses across the day
On the label
As a dietary supplement, take 2 capsules twice daily, or as directed by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$57.99
Pricier than 95% of 79 selenium 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.