Pros and Cons of the Caffeine Craze

Caffeine drinks are trendy, but are there some downsides? WebMD gets the perspective of experts.

By Kathleen Doheny
WebMD Weight Loss Clinic - Feature

Reviewed by Louise Chang, MD

If you crave caffeine to get you through the day, you're not alone. About 68% of Americans say they're hooked on coffee this year, compared with 64% last year, according to the National Coffee Association.

Sales of caffeine-laced energy drinks such as Red Bull and Monster are expected to rise 60% this year, says Gary Hemphill of the Beverage Marketing Corporation, a consulting firm in New York.

If those don't give you enough of a buzz, you can turn to sodas, coffee-flavored yogurt -- some of it has as much caffeine as a 12-ounce soda -- coffee ice cream, chocolate candy, or iced tea.

And one new product, controversially named Cocaine, goes one step further, offering a mega-dose of caffeine that dwarfs its nearest competitors.

Some medicines and dietary supplements for weight loss also include a dose of caffeine. Coke is even planning to roll out a new "negative calorie" carbonated green tea beverage this fall called Enviga that combines caffeine with other ingredients to -- according to the company -- increase calorie burning.

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