Medically reviewed by Kierra Brown, RD Grapefruits are rich sources of vitamin C. A cup provides about 72 milligrams of ...

If you’ve been relying solely on your favorite vitamin C serum, a new study may make you rethink your skincare strategy.

Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, ...

How much vitamin C you need per day depends on your age, sex, pregnancy and lactation status, and if you smoke. Here are the guidelines and general limits.

Learn which supplement is best for preventing and treating respiratory viruses, how to take them, and side effects to watch for.

If vitamin C stops cancer in its tracks, and being deficient in it can cause scurvy — the disease long associated with ...

“On rare occasions, vitamin and mineral deficiencies can cause skin bruising,” notes Howard E. LeWine, MD, Chief Medical ...

Here are four practical ways to boost vitamin C in your diet: Eat more citrus fruits: Oranges, grapefruits, tangerines and ...

Are you getting enough vitamin C in your daily diet? Vitamin C, also sometimes referred to as L-ascorbic acid, is a vitamin found in foods such as red peppers, oranges, grapefruits, kiwis, broccoli, ...

Summer can be tricky to manage your skin. One day it looks fresh and glowy, the next it feels oily, dull, or uneven despite ...