If you chug a glass of orange juice every time you start sniffling, you may be onto something. Though studies show that consuming vitamin C can't actually prevent colds, loading up on this nutrient may help slightly shorten the length of time you're sick and reduce the severity of your symptoms. Thing is, a medium-size orange only has 69.7 mg of vitamin C, which is actually less than that of many other common fruits and veggies. To pack the ultimate vitamin C punch and give your diet more variety, fill up on these 12 superfoods.

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