Type I.:
- gives strength to your skin, bones, tendons and ligaments
- accounts for 90% of the collagen in the human body
- people most commonly use collagen type I. to support healthy skin, hair and nails
Type II.:
- found in elastic cartilage that helps joint support
- reduces discomfort and improves mobility for those people with joint conditions
- provides flexibility
- it can also help protect the joints for those people who are conscious of joint health
Type III.:
- found in your internal organs, blood vessels, uterus, bowel and muscles
- supports greater health in your arteries and your gut
- it is also an important signaling molecule in wound healing
Type IV.:
- found in some layers of your skin
- helps to form the basement membrane which influences cellular behavior
- sometimes works with type II collagen to support bone and joint health
Type V.:
- found naturally in the eye, helping light pass through the cornea
- present in your corneas as well as some layers of skin and hair
- works naturally with types I & III to create the framework for tissues and organs in the body also known to support bones, muscles, the liver and lungs
Most collagen supplements contain types I, II and III, which account for most of the collagen found in your body.
They contain a digestible form of collagen called collagen peptides or hydrolyzed collagen.