While its reputation is at times dismissed as folklore or the efforts of orange juice marketing campaigns, vitamin C’s ...

Vitamin C may help shorten how long cold symptoms last and their severity when used before cold symptoms start, but not after a cold begins.

Find out how vitamin C and vitamin D function in your body, their role in immune defense, and how much you may need for optimal support.

Since vitamin C is a water-soluble vitamin, any excess is excreted in the urine in a few hours. Current U.S. recommendations call for 75 mg of vitamin C per day for adult women and 90 mg per day for ...

Vitamin C doesn’t just belong in skincare products—it works even better when you eat it. Scientists discovered that vitamin C ...

Vitamin C has long been sold as a shortcut to a brighter complexion, but the latest research suggests it is doing something ...

’Tis the season…to catch a cold or the flu. Vitamin C is touted as one of the best immune-boosting supplements on the market, which explains why searches around “vitamin C deficiency” have spiked by 1 ...

Medically reviewed by Susan Bard, MD Use vitamin C in the morning and retinol at night to avoid skin irritation.Vitamin C protects against photodamage and should be applied before applying ...

In today's world, vitamin supplements are everywhere, and it seems like there's one for just about everything. But are all these pills and powders really necessary, or could some actually be doing ...