Iodine deficiency The relevance of seaweed resides mainly in its high mineral concentration (particularly iodine) and the high bioavailability of these minerals. Iodine deficiency can cause sudden weight gain, constant fatigue, poor concentration. A.Vogel’s kelp formula helps with the proper functioning of the thyroid gland. Helps to prevent iodine deficiency. Helps in the proper functioning of the thyroid gland. A factor in the maintenance of good health. Sugar-, gluten- and lactose-free Each tablet contains: Medicinal Ingredient: Iodine (from Kelp).......................................... 50 mcg Non-Medicinal Ingredients: Microcrystalline cellulose, pre-gelatinized starch, corn starch, soy polysaccharide, magnesium stearate Adults and children 12 years of age and over: Take 1 tablet 3 times daily with water.