The Natural Nutrient for Hair, Bones and NailsA Dietary SupplementSilica 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.