A study by the Federal Food Administration is attempting to determine if caffeinated foods for children are safe.

The FDA said it will look at the foods' effects on children in response to a caffeinated gum introduced this week by Wrigley. Alert Energy Gum promises "the right energy, right now."

Some of the other products covered in the probe include, Jelly Belly Extreme Sports Beans and Wired Waffles. Also involved in the inquiry are some varieties of Frito Lay's Cracker Jack'd Power Bites and Kraft's Mio Energy "water enhancer," which squirts caffeine and flavoring into water.

The agency is already investigating the safety of energy drinks and energy shots, prompted by consumer reports of illness and death.

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