The Glucosamine 1550 100 capsules of double heart support joints and cartilage. Our musculoskeletal system is required every day. A healthy musculoskeletal system is a prerequisite for quality of life at any age. Sufficient gentle exercise and healthy nutrition can contribute to this. Vitamin C contributes to normal collagen formation for normal cartilage and bone function. Double heart Glucosamin 1550 + Collagen + MSM contains the essential nutrients Vitamin C, Vitamin D and K. Additionally, the capsules contain glucosamine sulfate potassium chloride, collagen hydrolysate, chondroitin sulfate and MSM. Glucosamine and chondroitin are of animal origin. MSM (Methylsulfonylmethane) contains organic sulfur. Sulfur is a component of many endogenous substances, such as enzymes and sulfur-containing amino acids. Collagen is a component of cartilage and bones.