The health world can't stop talking about collagen. Wellness bloggers and Instagram stars like Jordan Younger, Rachel Mansfield, and Lee Tilghman keep packets on hand to add to their morning smoothies in hopes of strengthening their hair, skin, and nails, and keeping their gut health on track.
We know it has beauty and gut-healing benefits, but when mbg's Sarah Koenig mentioned that since taking collagen, her knees are less creaky during spin class, we got to wondering: Could collagen be beneficial for workouts too?
To find out just how legitimate this theory is, we went straight to the experts. Here's what you should know about the relationship between collagen and exercise.