Exclusion criteria included contraindications to vitamin C therapy, receipt of open-label vitamin C, or expected death or withdrawal of life-sustaining therapy within 48 hours.

To make your search easier, we compiled this list of the best vitamin C supplements, each carefully reviewed by a team of registered dietitians. We selected these options based on quality ...

One SunGold kiwifruit, for example, contains 131 milligrams of vitamin C, while three-fourths of a cup of orange or grapefruit juice offers about 95 milligrams. If you don’t tolerate these juicy ...

If you don’t tolerate these juicy fruits, you can also get vitamin C in red or green bell peppers (95 and 60 mg per 1/2 cup, respectively), 1/2 cup cooked broccoli or strawberries (50 mg), 1/2 ...

Centrum Chewables had the opposite problem, with 173 percent of the vitamin A listed on the label. This is of particular concern because too much vitamin A can spell trouble.