"with strong evidence of safety when taking 500 milligrams of vitamin C," explains Volo. Because the body doesn't produce vitamin C, it's important to get as part of a healthy diet. Vitamin C is ...

The human body can’t make vitamin C, so we have to get it through diet or supplements. If you're taking supplements, here's what to keep in mind.

But if you want to pump up the vitamin C even more, you could try a daily supplement. "Most cases, it's 500 milligrams of vitamin C. Too much of anything is not necessarily a good thing.