what is collagen??
<answer> Collagen is the most abundant protein in the body and helps give structure to our hair, skin, nails, bones, ligaments and tendons in our body. <context> What is Collagen? Collagen is the most abundant protein in the body and helps give structure to our hair, skin, nails, bones, ligaments and tendons in our body. Thanks to collagen, we’re better able to move, bend and stretch.