Collagen: is it really safe? By DR JEAN-LOUIS SEBAGH, Daily Mail. Last updated at 14:53 22 May 2006 ...

Collagen is found throughout your body's connective tissue, including your bones, skin, and ligaments. This article looks at whether collagen supplements can cause kidney stones.

Collagen doesn’t directly cause weight loss, but it may increase feelings of fullness and help regulate metabolism. It also offers a range of other health benefits, like improved skin hydration.