Grapefruits are good sources of vitamin C, but foods like red acerola cherries, red bell peppers, and guavas have even more of the nutrient.

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

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

“While oranges may have a slight edge in vitamin C content, both fruits are excellent choices for supporting your immune ...

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 ...

Healthy food isn’t only about calories or filling your plate with leafy greens and fruits. It’s about achieving a balance of ...

Discover the best dietitian-recommended vitamin C supplements ideal for boosting immunity, supporting skin health, and ...

A new discovery at the University of Missouri reveals that vitamin C may help protect reproductive health from a harmful ...

Vitamin C enhances iron absorption, and taking vitamin C with some other nutrients may help enhance the effects of each.

Eating more vitamin C may do more than boost immunity this winter — it could also strengthen skin from the inside out, according to a new study. Researchers from the University of Otago in New Zealand ...

As many of us battle colds, coughs, and the flu during another winter season, a familiar piece of advice is likely to recirculate: Make sure you're loading up on vitamin C. After all, the nutrient has ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether supplements might help protect you. Vitamin D is thought to play a protective role ...