BioStacks
Best for
Ingredients (5)
Se-Methyl L-Selenocysteine
100%Dose
100 mcg
Target
100–200 mcg
Form
—
Vitamin E
40%Dose
20 mg
Target
50–268 mg
Form
Premium
L-Selenomethionine
50%Dose
50 mcg
Target
100–200 mcg
Form
Premium
Selenium
100%Dose
200 mcg
Target
100–200 mcg
Form
Not listed
Sodium Selenite
50%Dose
50 mcg
Target
100–200 mcg
Form
Budget
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin E in it absorbs poorly without one.
With a meal containing fat
On the label
Take one (1) capsule daily with food, or as recommended by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.00
Near the median of 80 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.