Collagen is a protein that is naturally found in the connective tissues of animals, including humans. It is the most abundant protein in the human body and plays a key role in providing structure and support to various parts of the body, including skin, bones, muscles, tendons, and ligaments. Collagen is used as an ingredient in a wide range of products, such as supplements, functional foods, skincare products, wound dressings, and medical implants. The global collagen market refers to the market for collagen products that are used in various industries, including food and beverage, pharmaceuticals, cosmetics, and healthcare.