''Bomba Energy has 75 mg per 8.4-oz servingĮnergy drinks are popular with teens and young adults, Griffiths found in his research. Some of the energy drinks have lower caffeine contents, Griffith says. ''Canned or bottled tea: 20 mg per 12-oz serving ''Coca-Cola Classic: 34.5 mg per 12-oz serving ''Instant coffee: 140 mg per 12-oz serving ''Brewed coffee: 200 milligrams per 12-oz serving ''Monster and Rockstar: 160 mg per 16-oz serving ' Red Bull: 80 milligrams per 8.3-ounce serving Although serving sizes vary, Griffiths contends that most people will drink the entire can, whatever the number of ounces.) (The caffeine content is in milligrams per serving. Griffiths and his colleagues contacted more than two dozen makers of energy drinks, asking for caffeine content. The FDA does not approve or review the products before they are marketed. Dietary supplements are regulated differently than food. 'Makers of so-called 'energy' drinks generally market them as dietary supplements,' says Siobhan DeLancey, an FDA spokeswoman. Hundreds of brands are available.Īlthough the Food and Drug Administration limits the caffeine contents of cola-type soft drinks to 71 milligrams per 12 fluid ounces, no such limit is required on energy drinks, Griffiths tells WebMD. market, launched in 1997, the market has boomed, Griffiths says, now totaling at least $5.4 billion a year in the United States. Since Red Bull, the first energy drink to hit the U.S. If labels listing caffeine content are required on energy drinks, they should also be required on coffeehouse coffee, says Maureen Storey, Ph.D., a spokeswoman for the American Beverage Association. The industry begs to differ, with spokespeople pointing out that most 'mainstream' energy drinks contain the same amount of caffeine, or even less, than you'd get in a cup of brewed coffee. 'Many of these drinks do not label the caffeine content,' he says, and some energy drinks contain as much caffeine as found in 14 cans of soda. Caffeinated energy drinks that promise super alertness'and sometimes imply better sports performance'should carry labels that specify their amount of caffeine, says a Johns Hopkins University scientist.ĭrinks with the highest caffeine content should also warn of potential health dangers, says Roland Griffiths, Ph.D., a professor of psychiatry and neuroscience at Johns Hopkins University School of Medicine, Baltimore, and senior author of a new report on the beverages.
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