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 soluble/collodial 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.Consult a Health Care professional before taking this product if you are a pregnant or lactating woman, currently under medical care or are taking prescription drugs.