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

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.

Vitamin C is essential for immunity, energy, and overall health—but how much do you actually need, and when is ...

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

Both juices can help you get more antioxidants in your diet. Orange juice contains significant amounts of vitamin C and citrus flavonoids, while carrot juice is packed with carotenoids.

Some supplement manufacturers also caution that vitamin C may chelate copper, meaning it could reduce how well the mineral is absorbed. If you take both supplements, it may help to avoid large doses ...

Vitamin C, also known as ascorbic acid, is an essential water-soluble vitamin that should be consumed through your diet. Historically, vitamin C was associated with preventing and treating scurvy, but ...

What to keep in mind about this common vitamin. — -- intro: Most people know a thing or two about vitamin C, like that it’s in orange juice, or that without it you can develop scurvy (as sailors ...

A prolonged vitamin C deficiency can cause severe and potentially life threatening symptoms. Eating a variety of fruits and vegetables can help maintain optimal levels of this important nutrient.