Sulphur is found in many substances which occur naturally in the human body, including some amino acids and collagen. MSM (methylsulfonylmethane) has traditionally been used as a natural source of sulphur. SUITABLE FOR VEGANS * KOSHER. Ingredients: MSM (methylsulfonylmethane)1000mg. Natural Ingredients: microcrystalline cellulose, hydroxypropyl cellulose, magnesium stearate, silicon dioxide, stearic acid, hydroxypropylmethyl cellulose, vegetable glycerin. Directions:As a food supplement for adults one (1) or two (2) Solgar MSM tablets daily, preferably at mealtime, or as directed by a healthcare practitioner.