Our skin is composed of 70% collagen. Collagen is a fibrous protein responsible for the structure, cohesion, elasticity, and firmness of the skin. There are over 28 different types of collagen in the body, with types 1 and 2 being the most well-known. Type 1 is the most prevalent in the body, constituting 90%, and can be found in:
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the skin
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bones
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cartilage
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blood vessels
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hair
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nails
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tendons
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ligaments
Collagen type 2 is specifically found in the joint cartilage of:
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knees
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hips
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elbows
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wrists
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fingers
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intervertebral discs
Both collagen type 1 and type 2 are commonly found in supplements. Read here which collagen supplement is best for you. Collagen can also be found in the bones, skin, bone marrow, or tendons of an animal. Nowadays, however, this is rarely included in the diet, making a supplement a beneficial addition. Want to know more? Read here everything about collagen.
