If you've noticed more wrinkles, thinner hair, stiffer joints, creaky knees, slower recovery, or skin that simply doesn't bounce back the way it used to, you're not alone. Most people blame "getting older." But what many don't realize is that these common signs of aging often have something in common: Collagen loss. Collagen is the most abundant protein in the human body. It acts like the framework that helps hold us together. It's found in our skin, joints, cartilage, tendon