Swanson Green Foods Formulas Certified Organic Scottish Kelp mineral supplement is a great source of iodine that promotes metabolic functions and overall cellular health. With 750 mg of Hebridean sea kelp and 325% of the average person's daily intake of iodine, this supplement supports healthy organs and promotes sufficient energy and regular calorie burn throughout the day. For those whose diets may be lacking this essential mineral, the iodine in Scottish Kelp supports the extremely important thyroid.