Acerola cherries
If you are searching for a powerful amount of vitamin C in a little package, acerola cherries are best. It provides 1680 mg of vitamin C (1867% of the daily value) in one-half cup. The acerola cherries contain vitamins and antioxidants as well. It will help you to prevent flu and colds but are also useful for other purposes as an antidepressant to the skin.