FDA Eyes "Five Hour Energy" - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

FDA Eyes "Five Hour Energy"

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When Richard Perez was 41 years old, and very physically fit, he had a heart attack.

"No lie, I saw this white light and I was like ..." he said, shaking his head

Perez said that two times a day, for about five years, he gulped down the energy boost known as 5-Hour Energy.

Last month his coronary artery became 100 percent blocked.

Now, he has to take medications the rest of his life. His cardiologist told him the energy shot is to blame.

"He said you take energy drinks, he asked me, and I go ‘Yes I do, I take a lot of it.' He goes ‘That's not good, don't ever take them again,'" Perez said.

The Food and Drug Administration is investigating 13 deaths possibly linked to so-called "energy shots."

The agency said it has received 92 reports of people getting sick, hospitalized and even dying after drinking 5-Hour Energy.

A spokeswoman for the manufacturer of 5-Hour Energy, Living Essentials LLC, said the company is not aware of any deaths proven to have been caused by their product.