Type 2 collagen is the major collagen protein found in cartilage throughout your body and is a primary component of joint cartilage. Cartilage is found in the connective tissue that is found between the bones to form joints and it protects the ends of the longer bones. Cartilage is also the structural component of many other parts of your body including the rib cage, ear, nose, bronchial tubes, spine and hips. Taking a Type 2 collagen may also stimulate the production of type 1 collagen in the body. Type 1 collagen is found primarily in the skin, tendons, organs, bones and digestive tract.