Source of antioxidants to help protect against oxidative stressFree radical scavengerHelps Maintain Normal Function Of The Thyroid GlandSupports healthy immune functionDescriptionNAKA PLATINUM - Selenium - 150 Capsule(s) - NPN: 80095558 -- Naka Platinum's Selenium Extra Strength offers antioxidant and thyroid support. Naka Selenium provides 200mcg of selenomethionine, making it an optimal dosage with high bioavailability. Helping maintain a normal functioning thyroid gland while combating oxidative stress, Selenium Extra Strength from Naka Platinum is gluten and GMO free, non-irradiated, and vegan