Vitamin C toxicity is rare, but daily doses over 2,000 milligrams may cause unpleasant side effects like digestive issues, headache, and skin flushing.

If you have ever taken large doses of vitamin C to boost immunity or recover from a cold, you are not alone. Many people assume vitamin C is completely harmless because it is water-soluble and the ...

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

Vitamin C has been crowned the ultimate immune-boosting, anti-aging wonder vitamin, leading millions of people to megadose on supplements while slathering high-concentration serums on their faces ...