While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, based on research.

A Japanese research team bio-imaged vitamin C in mice. A probe chemical emitted red fluorescent light after reacting with vitamin C in the mice's bloodstream. When a dose of exogenous vitamin C was ...

Your mom wasn't joking about vitamin C. But you shouldn't just drink it in OJ—you're going to want to slather the stuff all over your face. Turns out, vitamin C (also known as ascorbic acid) has some ...

Vitamin C functions physiologically as a water-soluble antioxidant by virtue of its high reducing power. It is a cofactor for enzymes involved in the biosynthesis of collagen, carnitine, and ...

When it comes to achieving bright, glowing skin, a vitamin C serum is key. But not all vitamin C serums are created equal—and in fact, there’s a wide range of potencies available with different levels ...