
Selenium
Selenium scores 95/100 (A grade). Strengths: All ingredients have Grade A evidence.
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Selenium (as L-Selenomethionine) | 200 mcg |
Certifications & Testing
Other Ingredients
Microcrystalline Cellulose, Hypromellose (derived from cellulose) capsule
Recommended Use
Take 1 capsule daily or as recommended by your health-care practitioner.
Warnings
ALLERGY WARNING: This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY WARNING: If pregnant, consult your health-care practitioner before using this product. INTERACTIONS: There are no known adverse interactions or contraindications at publication date.
Frequently Asked Questions
What is Thorne Selenium's Formulate score?
Thorne Selenium scores 95 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
What's in Thorne Selenium?
Each serving contains Selenium (as L-Selenomethionine) (200 mcg). Serving size: One Capsule. 60 servings per container.
How do I take selenium?
Take 1 capsule daily or as recommended by your health-care practitioner.
Is Thorne Selenium third-party tested?
Thorne lists the following certifications and testing for this product: Gluten Free, Soy Free, Dairy Free, Natural Flavors, Natural Colors, Made in USA, Third-Party Contents Certified, Thorne Verified, GMP Certified.
Related Supplements
Track selenium in your stack
The Formulate desktop app lets you build a personalized supplement stack, flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.