Taking collagen pills won’t fix wrinkles — your body doesn’t use them to rebuild skin; smoking and sun damage are the real culprits.

“So smoking is the worst thing you could ever do for aging. But okay, if you. Especially if you sit in the sun and smoke like this, it's like a double whammy of like. And I remember my youth of... -Sit in the sun and smoke, can I just take some collagen supplement? -Yeah, that's totally fantastic. Don't get me started about collagen supplements, but... -Not a fan? -Not a fan. -Not even for skin? Because there are a lot of people in fitness that are kind of convinced that indeed, it doesn't do anything for you. You only get your protein, you get your vitamin C, then the body makes its own collagen for injuries. It's the same issue for the skin? -Yeah, don't buy collagen supplements.”