20 snack foods with a buzz

Published On: Apr 30 2013 10:14:19 AM CDT

The FDA is investigating snack foods like these that contain added caffeine.

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But the Food and Drug Administration is closely watching the marketing of these foods and wants to know more about their safety, announcing on Monday that it will look at the foods' effects on children in particular. Here are 20 popular caffeinated snack foods, some of which may surprise you (and some that may gross you out).

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