Collagen is a protein that makes up your skin, hair, nails, and bones. It gives your body structure and support. Collagen also helps your body heal and re-grow damaged tissue. Collagen is found in:
Skin: Collagen is the main protein in the skin. It holds your skin together and gives it strength and elasticity. hair: Collagen makes up 85-95% of hair. It provides hair strength and resilience. Nails: Collagen gives nails their strength, shape, and color. Bones: Collagen helps bones maintain their shape and form. It also helps with bone healing after injury or fracture.