A herbal food supplement Nature's multivitamin! Full of natural vitamins, minerals & essential micronutrients to support thyroid function, energy levels, cognitive health and skin. * Strength: 500mg per capsule.  A good source of iodine. Iodine helps to maintain a normal metabolism and energy levels, healthy skin, thyroid function, thyroid hormone levels, good cognitive function and a normal nervous system. Ingredients Each vegetarian capsule contains 500mg of Seagreens Ascophyllum nodosum. Organically grown in Scotland. (Each capsule contains 350mcg of chelated iodine and 3 capsules a day may be taken within the World Health Organisation's recommended safe daily limit for iodine of 1100mcg.