Iodine with Sea Plant Complex. Non-GMO. 1 Daily. Maintaining healthy vitamin D levels helps support cognitive health, promotes bone health, encourages healthy immune function and more. Vitamin K helps maintain your bodys calcium balance, which affects everything from cardiovascular health to bone density. Iodine is essential for the production of thyroid hormones. Support your bone, brain, thyroid and arterial health with these three essential nutrients. Vitamins D and K with Sea-Iodine Benefits. Supports healthy cognitive function. Promotes bone, immune & cardiovascular health. Helps inhibit calcium buildup in the arteries. Helps counteract possible iodine deficiency in healthy diets. What is iodine? Iodine is a trace element commonly found in seafood. It facilitates the production of thyroid hormones triiodothyronine (T3) and throxine (T4). Your skin produces vitamin D when in direct sunlight, but you should not get your vitamin D from unprotected sun exposure or indoor tanning devices because of the potential effects on skin health. Iodine is a trace element essential for the production of thyroid hormones, and vitamin K is an essential nutrient that promotes both arterial and bone health.