US petition calls for FDA to regulate energy drinks

The US market for the drinks is estimated at $5.4 billion in 2006, according to Packaged Facts, growing at an annual rate of 55% per year.

The letter was written by Roland Griffiths, a neuroscientist at Johns Hopkins School of Medicine in Baltimore. It asked the FDA to require the drinks' caffeine content be listed on the can, to set a limit on the amount of stimulant allowed in the drinks and to require warning labels.

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