The Natural Nutrient for Hair, Bones and Nails A Dietary Supplement Silica strengthens and supports healthy skin, hair, bones and nails. Using the finest quality Horsetail Extract with bioflavonoids, Alta Health Silica provides the pure ortho form of soluble/colloidal Silica by means of special extraction process. Silica is an essential trace mineral that plays a biological role in the processes by which bone, cartilage, connective tissue and skin are formed and is a component of collagen. Alta's Herbal Organic Silica provides the best absorption and assimilation.Alta Health