Doppelherz ® system Kollagen 11000 Plus is a dietary supplement in convenient liquid ampoules. The formula contains carefully selected nutrients such as collagen hydrolysate, chondroitin sulfate, vitamins C and D, selenium, and copper to supplement the daily diet of adults. Doppelherz ® system Kollagen 11000 Plus – get to know the active ingredients Collagen is the main building protein of all animal organisms. The recommended daily serving of Doppelherz ® contains as much as 11 g of bovine collagen hydrolysate. Vitamin C contributes to normal collagen production to ensure the proper functioning of blood vessels, cartilage, gums, skin, and teeth. Selenium and copper contribute to the protection of cells from oxidative stress. It is essential for maintaining healthy bones and teeth, and for supporting proper muscle function. A package of 30 ampoules will allow for daily, monthly supplementation with valuable active ingredients for the health of bones, muscles and cartilage.