THORNE Selenium provides 200 mcg of selenium (as selenomethionine) per capsule, designed to support antioxidant activity, healthy thyroid function, immune system support, and overall cellular health.

Selenium is an essential trace mineral that the body uses in several key systems including the antioxidant enzyme systems, thyroid hormone metabolism, and immune function. The form used—selenium bound to the amino acid methionine—supports reliable absorption and bioavailability.

200 mcg dose of selenium per capsule to meet advanced support needs.

Supports antioxidant protection, helping neutralize free radicals and support healthy aging.

Promotes thyroid and immune health by participating in hormone conversion and immune cell function.

High-quality form (L-selenometionine) for superior absorption compared to basic mineral forms.

60-capsule supply, with one capsule per day suggested—easy to incorporate into daily wellness.

From a trusted brand known for pharmaceutical-grade manufacturing standards.