Bio-MSM is a combination nutritional supplement containing MSM (methyl sulphonyl methane) and silica. MSM is a naturally occurring organic sulphur containing substance, which is found in grain products, legumes, eggs and red meat. Vegetal silica, an extract of the herb horsetail grass, is a natural source of the essential trace mineral silicon. Sulphur and silicon are required by the body for the normal growth and development. The level of silica in the body declines with aging.MSM and silica are required for the formation of bone, and collagen in connective tissue (cartilage, tendons, ligaments), and for healthy skin, hair and nails. MSM and silica help maintain the flexibility of joints and arteries. Directions: Take 2 Tablets per day or as directed by physician. To be taken after food. Ingredients: One Tablet MSM 750mg Horse Tail powder extract 50mg (equivalent to 1.5mg silicon as silicon dioxide) SUGAR, YEAST AND GLUTEN FREE. SUITABLE FOR VEGETARIANS Caution: Pregnant and lactating women and those on medication should seek professional advice prior to taking supplements