How much vitamin C you need per day depends on your age, gender, whether or not you're currently pregnant, and if you smoke.

Admittedly, it’s expensive, but it’s worth it, given that it’s formulated with a super-stable form of vitamin C. I’d rather spend close to $200 on a vitamin C I know is going to work ...

Quality skin care products can cost a pretty penny — we've tested and picked out the best vitamin C serums which have price ...

Growing up, I was told to drink orange juice when I had a cold because “vitamin C is the cure.” Does vitamin C actually help ...