Collagen is a protein that is an important part of connective tissues in the body. It is a rigid, non-soluble and fibrous protein that adds up to one third of the proteins found in the human body. Collagen is mostly made up of molecules that are packed together to form long and thin fibrils that support each other and ensure the skin is strong and elastic. There are various types of collagen which have individual roles and structures. Most collagen belongs to types 1, 2 and 3. Collagen consists mainly of amino acids and can be mostly found in tendons, muscles, bones, skin, ligaments and other fibrous tissues. It helps keep the skin strong and supple, and sustains the renewal of skin cells and replacement of damaged and dead body cells. The collagen tissues support the formation of bones, t