Collagen and its benefits seem to be touted everywhere. It’s peddled in powders, pills and skincare—just for starters. But ...

Collagen is found in connective tissue, skin, tendons ... along with the loss of another key structural protein called elastin, lead to signs of aging such as sagging skin and wrinkles.

The bones in a synovial joint are connected by ligaments, which: are a type of connective tissue and are tough, fibrous and slightly elastic connect bone to bone and help keep the joint together ...