Collagen

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

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

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.

Products with collagen include: