Contrary to what current self-care trends would have you believe, collagen isn’t solely for the benefit of our appearances. What is collagen? Collagen is a critical component of the overall health of a human body (which, yes, includes your skin, but there’s more to collagen than a pretty face!). The most abundant protein in the body — organs, bones, blood vessels, muscles, skin, etc. — it’s the building block that allows our cells to form other structures. To keep the…