The Nutrition Source - Harvard T.H. Chan School of Public Health
https://www.hsph.harvard.edu/nutritionsource/collagen/
WEBCollagen. Collagen is the most abundant protein in the body. Its fiber-like structure is used to make connective tissue. Like the name implies, this type of tissue connects other tissues and is a major component of bone, skin, muscles, tendons, and cartilage. It helps to make tissues strong and resilient, able to withstand stretching.
DA: 10 PA: 29 MOZ Rank: 40