The review found collagen supplements taken over a long period could improve skin elasticity and hydration, and reduce the symptoms of arthritis. However, they did not significantly affect skin roughness.
Collagen supplements should not be seen as a "quick fix" for wrinkles, experts have said, but they do have "legitimate" benefits.
New research from Anglia Ruskin University (ARU) analysed evidence f… [+2991 chars]
