Vitamin C

Vitamin C is an antioxidant that helps repair cellular damage done by free radicals. It's also needed in the production of collagen for healthy skin, gums, teeth, blood vessels, ligaments and bones. Furthermore, vitamin C is required for optimum brain function and energy production, and recent studies suggest that it can lower cholesterol and help prevent gallstones.

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The latest studies have linked vitamin C to the reduction of heart disease, stroke, cataracts, colds and cancers of the mouth, throat, vocal chords, esophagus, stomach, lungs and colon/rectum. Many doctors and nutritionists recommend that women get 90 milligrams of vitamin C per day, available from fresh fruits and vegetables and juices. The vitamin is also usually part of a multivitamin.