The way it's marketed, collagen sometimes sounds less like a supplement, and more like the fountain of youth. Purported benefits of collagen — a major structural protein in the body — range from ...

Collagen is a protein that supports bone and skin health. It is generally considered safe to take a liquid or powder collagen supplement. Possible side effects of collagen supplements include stomach ...

Many people sing the praises of collagen, saying it can improve the health of your skin, hair, nails, and bones. Still, it’s a good idea to look into possible collagen supplement side effects and ...

Liquid collagen supplements might be able to reduce some of the effects of aging on the body, but research is still ongoing. As with all supplements, there may be side effects. Collagen is a protein ...