Eternal Youth soft collagen bites, are perfect for people who like their collagen food supplement to have a great taste and be convenient to use. Collagen is an important structural component in our skin, bones, muscles, joints, hair and nails. Vitamin C contributes to normal collagen formation for the normal function of cartilage and bone and to the protection of cells from oxidative stress. Glucosamine is an organic compound that is found in our body, tissues and cartilage.