Ascorbic acid is the scientific name for vitamin C, which is one of the essential water-soluble vitamins. In your body, it's responsible for collagen production, protein metabolism, immunity and wound healing. Sources of vitamin C include citrus fruits such as oranges and cantaloupe and vegetables such as broccoli and Brussells sprouts.
Scurvy Prevention
Vitamin C may be used to prevent and treat a rare condition called scurvy. This condition results from vitamin C deficiency and is characterized by gum problems such as swelling and bleeding, loose teeth, bruised skin, weakness, and slow wound healing. According to the Natural Medicines Comprehensive Database, vitamin C can reverse problems associated with scurvy within two days to three weeks.
Colds
People sometimes use vitamin C to prevent or treat colds. However, research regarding its effectiveness is conflicting. Some studies reported in the NMCD show that high doses of vitamin C -- 1 to 3 g -- are effective at shortening the duration of a cold, but by only about a day. Other studies, however, show vitamin C's lack of effectiveness in preventing the common cold. High doses also may cause side effects such as diarrhea and upset stomach.
Age-Related Macular Degeneration
Vitamin C used in combination with zinc, vitamin E and beta carotene has been shown to be effective in decreasing vision loss associated with age-related macular degeneration, a chronic eye disease. The NMCD reports that a dose of 500 mg of vitamin C may slow the progression of advanced macular degeneration.
Wrinkles
Vitamin C may be used to treat wrinkles. One study reported in the NMCD showed a decrease in the appearance of wrinkles and an improvement in skin tone of participants who used a topical preparation of 5 percent or 10 percent of vitamin C. Participants applied the preparation to their faces for three months.
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