MSM is a flexible bond between proteins for your hair, skin, joints, tendons and cartilage. Glucosamine occurs naturally in the body and helps maintain connective tissues and cartilage. Chondroitin is also found naturally in your joints where it helps your body attract fluid in to the cartilage.The three ingredients work together perfectly to provide an optimum high strength joint formulation. ALLERGEN WARNING Contains Shellfish. STORAGE INSTRUCTIONS Store in a cool and dry place. NOTE! Do not exceed recommended dose. Supplements are not intended to replace a varied diet. Keep out of reach of children. Store in a cool dry place. See best before date on packaging. If you are pregnant, nursing, have a diagnosed illness or are using prescription medication, consult your doctor before using any supplement.