Do collagen supplements work?
What is collagen Collagen is a protein. In fact, it is the main structural protein (in the extracellular matrix) found in connective tissues in the human body. These connective tissues being the skin, bones, cartilage, ligaments and tendons. Although, I suspect your reason for reading this is connected to its presence in the skin. There are several types of collagen in the human body, though, approximately 90% is type I collagen. Type I collagen is a fibrillar type collagen, which is also the main type of collagen found in the skin. This post will therefore focus on type I collagen and…