One stick double heart collagen 5000 Liquid contains 5000 mg collagen hydrolysate, 80 mg chondroitin sulfate as well as vitamins D, C and E and the trace element manganese. Because a healthy musculoskeletal system is a prerequisite for quality of life at any age. Sufficient, gentle exercise and a healthy diet can contribute to this. Vitamin C also contributes to normal collagen formation for normal cartilage and bone function.