Collalloc Christmas package collagen 3 x 30 sachets + Vitamin C 60 gQuality pure collagen from sea fish. Collalloc Christmas package is supplemented with vitamin C, which contributes to the natural production of collagen for the normal function of bones and cartilage and for the elasticity of the skin . Collagen is an important building block in the human body and is found in most tissues. Sufficient collagen is reflected not only in the good function of the musculoskeletal system, but also in the quality of the skin,