BioStacks
Best for
Ingredients (1)
Selenium
100%Dose
200 mcg
Target
100–200 mcg
Form
Premium
Other Ingredients (3)
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Hypoallergenic Plant FiberFiller
Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Take it anytime
Take with food. The gap between an effective dose and too much is narrow — don't stack several selenium sources.
With food
On the label
As a dietary supplement, take 1 capsule daily, with a meal, or as directed by a health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.00
Near the median of 62 selenium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.