DescriptionNature's Way kelp whole thallus is a nutritional supplement made with the highest quality of kelp, which is an excellent source of iodine that works to support thyroid function and regulate thyroid hormone. Kelp algae also contains a high nutritional value of the most important vitamins and minerals that provide us with other benefits for the body. It includes strengthening immunity and revitalizing the body, as well as supporting hair, skin, nails, bones, heart, and digestive system support, all in gluten-free capsules, suitable for vegetarians.