Collagen is the most abundant protein in the body. In humans, it accounts for one-third of the total protein mass and plays a vital role in the structure and integrity of joints, skin, and hair. Regular collagen is a large protein that may not be well absorbed by the body. This is why we use hydrolyzed collagen. Hydrolyzed collagen is broken down into smaller proteins (peptides), which have shown to be more easily absorbed in the digestive tract. Once absorbed, the body uses the proteins to protect and rebuild connective tissue.