Thorne Selenium Review

Selenium is an essential mineral that supports heart health, thyroid function, and optimal immune function. As a mineral cofactor, Selenium supports the body’s natural antioxidant systems, which protects against oxidative damage and supports healthy aging for your body and mind.

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Product Focus: Thyroid HealthAlso graded for:Hormone Balance for WomenHealthy AgingEye HealthAlso covers:HormonesImmune system

Tier ⓘ

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Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →

Evidence ⓘ

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How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.

Positive Reviews

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Biohacker Mentions

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Study, Trial or Testing Result SummaryMembersHuman studies

This product gives 200 micrograms of selenium a day as selenomethionine, a dose compared with the studies. Selenium mainly people with autoimmune thyroid disease. …

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Review Totals and SummaryMembers13,642 reviews

13,642 reviews · IHerb 9,540 · Amazon 4,017 · Thorne 58 · Healf 26

Thorne Selenium has garnered approximately 13642 ratings across various retail platforms, with star-rated reviews consistently giving it 4 or 5 stars. Customers consider it a -quality and effective supplement that delivers on its promises. **What Buyers Say It Did For Them** customers report that Thorne Selenium aids their thyroid , particularly when taken alongside meds. …

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Biohacker SummaryMembersWhat our biohacker panel says

take it or advise getting it for thyroid , the body turn the thyroid hormone T4 into T3, and others link it to antioxidant and detox support, male fertility, immune balance, and from mercury. Food sources come up often, including Brazil nuts (one to three a day), seafood, sardines, eggs, mushrooms, and organ meat, though a also point to supplements, and one panelist mentions a 200 microgram dose. …

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RAL SummaryMembersThe tier and why

The is to that group, and one review judged the evidence . …

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More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Endocrine system, Immune system. Combine with and possible side are for members.

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Supplement FactsSelenium 200 mcg

Supplement Facts

Serving Size 1 Capsule(s)

Servings Per Container 60

Amount Per Serving% Daily Value

Selenium (as L-Selenomethionine)

200 mcg

364%

Directions: Take 1 capsule daily or as recommended by your health professional.

Barcode (UPC) 693749225010 · Label source: Thorne · Report a label change

Where to BuyThorne · Amazon · iHerb

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Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.