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Fruits and vegetables are the richest vitamin C sources, according to the University of Maryland Medical Center. Fruits like mango, papaya, pineapple, citrus, watermelon, cantaloupe, grapefruit, kiwi and guava have high ... More »

The highest concentrations of vitamin C are found in fruits and vegetables such as peppers and oranges, according to the National Institutes of Health. More vitamin C is available when these foods are consumed raw than w... More »

Some foods that contain high levels of vitamin C include citrus fruits, cantaloupe, papaya, mango and kiwi fruit. Berries such as strawberries, raspberries and blueberries also contain vitamin C. Vegetables with vitamin ... More »

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DermNet NZ describes topical vitamin C as an antioxidant that can be applied to the skin to provide protection against photoaging. Photoaging of the skin occurs with exposure to sunlight and can be worsened by cigarette ... More »

According to Mayo Clinic, consuming too much vitamin C is unlikely to be harmful or to cause an overdose. Too much vitamin C may, however, result in undesirable symptoms, such as diarrhea, nausea, vomiting, heartburn, ab... More »

According to Mayo Clinic, too much vitamin C in adults is any amount over 2 grams per day. The recommended dose of vitamin C for an adult is 60 to 95 milligrams a day. More »

The recommended dietary reference intake for vitamin C is 65 milligrams each day. Exceeding the daily limit can result in side effects including kidney stones, insomnia, headache, cramps, bloating, heartburn, nausea, dia... More »