Life Extension Life Extension Super Selenium Complex, 200 mcg – 3 Forms of Selenium, Vitamin E – Cellular Health & Longevity Support – Gluten-Free, Non-GMO, Vegetarian, 1 Daily – 200 Capsules

A mineral found in the diets of the world’s longest-living people, selenium helps protect your cells by fighting oxidative stress. This mineral also supports healthy cell division and immune system health, and has been studied for its heart and brain health benefits. Selenium helps in thyroid hormone conversion, which supports thyroid health and function. This once-daily selenium supplement combines vitamin E with three forms of selenium—50 mcg of L-selenomethionine, 50 mcg of sodium selenite, and 100 mcg of Se-Methyl L-Selenocysteine—for 200 mcg of optimized health and healthy aging support.