What Is Collagen? Types And Sources

- Mar 24, 2017 -

A little known fact is that there are at least 16 different types of collagen within the human body. These include collagen types 1, 2, 3, 5 and 10. However, the vast majority of the collagen — between 80 percent and 90 percent — consists of types 1, 2, and 3. Type 1 collagen specifically accounts for almost 90 percent of the body’s supply according to some findings. There are also different types of collagen found in certain foods or used to create collagen products and supplements.

Here’s collagen sources and their primary benefits:

Type 1: This is by far the most abundant, and almost considered to be the strongest, type of collagen found in the human body. It’s made up of eosinophilic fibers that form parts of the body, including tendons, ligaments, organs and skin (dermis). Type 1 collagen also helps form bones and can be found within the GI tract. It’s very important for wound healing, giving skin its stretchy and elastic quality, and holding together tissue so it doesn’t tear.

Type 2: Type 2 collagen primarily helps build cartilage, which is found in connective tissues. The health of our joints relies on cartilage made of type 2 collagen, which is why it’s beneficial for preventing age-associated joint pain or various arthritis symptoms.

Type 3: Type 3 collagen is made of reticular fibers and a major component of the extracellular matrix that makes up our organs and skin. It’s usually found with type 1 and helps give skin its elasticity and firmness. It also forms blood vessels and tissue within the heart. For these reasons, deficiency in type 3 collagen has been linked to a higher risk for ruptured blood vessels and even early death, according to results from certain animal studies.

Type 4: Type 4 collagen has the important job of forming basal lamina, which is found in endothelial cells that form tissue that surround organs, muscles and fat. Basal lamina are needed for various nerve and blood vessel functions. They line the majority of our digestive organs and respiratory surfaces. Basal lamina can be found in the spaces between the top layer of skin/tissue and the deepest layer. They’re a thin layer of gel-like fluid that provides cushion/padding for the tissue above it.

Type 5: This type of collagen is needed to make the surface of cells, as well as hair strands and tissue found in women’s placentas (the organ that develops in the uterus during pregnancy, provides oxygen and nutrients to the growing baby, and removes waste).

Type 10: Type 10 helps with new bone formation and forming articular cartilage. It’s involved in the process of endochondral ossification, which is how bone tissue is created in mammals. It’s been found to be beneficial for bone fracture healing and repairing of synovial joints.

 

 


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