Here's what you need to know about the trendy protein. Collagen is popping up as a supplement, coffee creamer and more, but what exactly is it? This structural protein is naturally found throughout the human body (making up 80% of your skin). Thanks to the growing popularity of nutricosmetics, collagen supplements are finding their way into food and beverages. But can eating and drinking collagen really lead to health benefits like anti-aging, better skin and injury recovery? Keep reading to