Collagen – What Is It and What Is It Good For?

Collagen is the most plentiful protein in the body.

It has important roles, including providing structure to your skin and helping your blood clot.

In recent years, it has gained popularity as a nutritional supplement and ingredient in shampoos and body lotions.

But what is collagen? And what is it good for? This article gives you a thorough overview of this important protein.

What Is Collagen?

Collagen is the most abundant protein in your body, accounting for about a third of its protein composition.

It's one of the major building blocks of bones, skin, muscles, tendons and ligaments. Collagen is also found in many other body parts, including blood vessels, corneas and teeth.

You can think of it as the "glue" that holds all these things together. In fact, the word comes from the Greek word "kólla," which means glue.

Bottom Line: Collagen is a protein that provides structure to much of your body, including bones, skin, tendons and ligaments.

What Does It Do in Your Body?

There are at least 16 types of collagen. The four main types are type I, II, III and IV (1Trusted Source).

Here's a closer look at the four main types of collagen and their role in your body:

• Type I: This type accounts for 90% of your body's collagen and is made of densely packed fibers. It provides structure to skin, bones, tendons, fibrous cartilage, connective tissue and teeth.
• Type II: This type is made of more loosely packed fibers and is found in elastic cartilage, which cushions joints.
• Type III: This type supports the structure of muscles, organs and arteries.
• Type IV: This type helps with filtration and is found in layers of your skin.

As you age, your body produces less and lower-quality collagen.

One of the visible signs of this is in your skin, which becomes less firm and supple. Cartilage also weakens with age.....

Read on here: ​https://www.healthline.com/nutrition/collagen​​​

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