The brown alga kelp is a natural source for iodine which primarily contributes to a normal function of the thyroid, the neural system and the energy metabolism. Iodine also promotes normal skin. We refrain from using any additives or excipients in our products. The only exception is cellulose. We use it - where necessary - as a filler in our capsules Pure substances are especially popular with those who are sensitive and have allergies, as they are free from gluten, lactose, fructose, artificial colourings and flavourings, and allergens Our purity principle forbids us from using release agents, sweeteners, colourants, thickeners, bulking agents or any other such substance often used to simplify the manufacturing process or give the product an attractive colour. For this reason Fair & Pure products are hypoallergenic and also suitable for extra sensitive individuals vegan, lactose-free, fructose-free, gluten-free