With Caffeinated Snacks, Who Needs Coffee?

Brownies, sunflower seeds, jerky—caffeine's waking up everything
Photograph by Christopher Starbody for Bloomberg Businessweek

U.S. retail sales of caffeinated foods have increased 49 percent since 2008, to $1.6 billion, and the FDA is finally considering regulations. A test of nine of the buzziest snack items on the market:

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