Vitamin C plays an important role in the body. It is needed to maintain the health of skin, cartilage, teeth, bone, and blood vessels.
For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams(mg) a day, and the upper limit is 2,000 mg a day. Although too much dietaryvitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.