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We know that people will go very far in the search for more energy and a lot of that time it means pouring in the caffeine. But can too much caffeine too fast be deadly? Tonight the FDA is looking into reports of more than a dozen people whose deaths might be linked to the 5-hour energy drink. And ABC’s senior national correspondent Jim Avila has more on these potential caffeine bombs.

These YouTube videos are a manual on what not to do with the energy drinks. This is clearly 5-hour energy drink abuse. Videos that angered the founder of the billion-dollar company that sells 1.5 million 2-ounce bottles of the stuff every day.

“Don’t get crazy and don’t take too much, and that would really be a dump thing to do. If you do dump stuff you’re gonna end up in the hospital.”

And Manoj Bhargava says that’s the only way his little bottle of Joy is dangerous, abuse. As for today’s alarming news of 13 deaths in 33 hospital organizations, the last 4 years reported to the FDA all claiming to be linked to this product. Bhargava says just not true.

“Is there any risk to a healthy person drinking your?”

“Not at all, none.”

How much caffeine is really in 5-hour energy? A 2-ounce bottle contains 207mg of caffeine, equivalent to 2 8-ounce cups of coffee, 2.5 Red Bulls, or nearly 6 Coco colas. And many doctors say research shows that doesn’t tell the whole story.

“Energy drinks take this to an entirely different level, because there are other components, other ingredients in these drinks that take the caffeine and make it even more poisons.”

One of the ingredients in 5-hour energy is Taurine, which scientists call “a caffeine potentiating amino acid” or “coffee turbo-charged”,kicking up the caffeine dramatically

You knew you are capable of drinking, you know, 4 cups of coffee over the morning. You probably would feel very different if you consume for energy drinks.

How much caffeine does it take to kill a healthy person? About 5000mg, that’s 50 cups of coffee or 25 shots of 5-hour, more than most can physically drink and many more than the two bottles a day 5 hour energy recommends.

Jim  Avila, ABC News, New York.