MSM is a nutrient that provides the body with essential sulfur and methyl groups that are used in healing and repair processes. The OptiMSM® brand of MSM has been found in controlled clinical trials published in the peer-reviewed medical literature to support joint comfort and structure.† Ingredients Serving Size 1 CapsuleAmount Per Capsule:Molybdenum (as molybdenum glycinate chelate) 25 mcgMethylsulfonylmethane (OptiMSM®) 750 mg Other Ingredients:Vegetarian capsule (hydroxypropyl methylcellulose, water), calcium carbonate. Allergy StatementFree of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives. Usage 1 capsule 2 times daily with food or as directed by a healthcare professional. CautionIf you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product. KEEP OUT OF REACH OF CHILDREN. Size 100 capsules