Life Extension Vitamins D and K with Sea-Iodine, vitamin D3, vitamin K1 and K2, iodine, supports immune, bone, arterial and thyroid health, non-GMO, gluten-free, 60 capsules
 
Supports thyroid health—There’s one more nutrient some people may lack: iodine. Common in table salt (and missing from many healthy diets), iodine is used to make thyroid hormones. Your thyroid helps regulate your body’s metabolism.
Ingredients matter – We use only the finest raw ingredients with the purity and potency you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one