Doppelhertz System Collagen 11.000 plus from the pharmaceutical company Queisser Pharma is recommended for the normal function of articular cartilage and bones and for maintaining the normal condition of the skin. Doppelherz System Collagen 11.000 plus has a specially developed formula of a new generation with collagen, chondroitin, vitamins C and D, combined with trace elements Copper and Selenium. With a pleasant taste of berries. The package contains 30 vials of 25 ml. Collagen is the main component of the connective tissue of the body, it is extremely important for the condition of the musculoskeletal system, as well as for the skin, hair, nails. In order to be absorbed by the body, collagen must be hydrolyzed. Thus, it helps the body to synthesize collagen on its own. Chondroitin is an essential building block of articular cartilage. Vitamin C contributes to the normal synthesis of collagen in the body, provides antioxidant protection and supports the normal function of articular cartilage and bones. The trace element copper contributes to maintaining the normal state of the connective tissue responsible for the elasticity of the skin and is related to its normal pigmentation. Vitamin D is important for bones and muscles, and it also supports the function of the immune system.