It helps in case: osteoarthritis, worn joints, trauma, pain and stiffness in the joints and back. Flexen first plant contains glucosamine. Glucosamine participate in the development of cartilage, tendons and joints. Recommended for osteoporosis, worn joints, trauma, pain and stiffness in the joints and back. Vegetarian Glucosamin (vegetarian glucosamine) is highly concentrated and easily soluble. Membership in one tablet: Vegetarian Glucosamine HCL 500 mg Contraindications: no Does not contain: animal products, dyes and preservatives.