Doppelherz Glucosamine 1200 contains vitamins C, K, D, and E. It also contains 1200 mg of glucosamine hydrochloride – in just one tablet. Healthy, functioning cartilage and bones are essential for a healthy musculoskeletal system. A healthy musculoskeletal system is a prerequisite for quality of life at any age. Adequate, gentle exercise and a healthy diet can contribute to this. Therefore, it is important to ensure an adequate supply of nutrients that support collagen formation and contribute to the maintenance of normal bones and normal muscle and cartilage function. -Vitamin C contributes to normal collagen formation for normal cartilage and bone function-Vitamins K & D contribute to the maintenance of normal bones-With 1200 mg glucosamine hydrochloride GTIN: 4009932133530