What science says about collagen supplements
Collagen is a protein found in cartilage, bone, tendons and skin. Changes related to collagen production that go along with aging help explain why younger people typically have fresher, tighter-looking skin than older people, according to The Washington Post. Today, there are many collagen supplements available that are said to specifically increase skin, nail and hair health and help older people appear younger. What does science say about collagen supplementation? In a study published by the Journal of Drugs in Dermatology, researchers found the short- and long-term use of collagen supplements to be promising. There was an increase in skin elasticity, hydration and wound healing, and no adverse events were reported. According to The Washington Post, however, the research that comes out of that study and others is affected by confusing study design. The article said the studies lack objective evidence or that funding is from the individuals selling collagen produc...