A member asked:

How does 5 hour energy work? is it safe to take?

10 doctors weighed in across 3 answers

Caffeine: Lots of caffeine. Yes it is usually safe.

Answered 6/18/2015

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Dr. Pamela Pappas answered

Specializes in Psychiatry

Stimulant: 5 hour energy drinks contain Amino Acids said to increase alertness, along with b vitamins plus caffeine. If you get jittery with coffee or other caffeine containing drinks, you will get jittery with 5 hour energy. It is relatively safe, but even the manufacturer recommends taking no more than 2 bottles/day. You may also experience a Niacin "flush" lasting a few minutes.

Answered 6/30/2014

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Dr. Alan Ali answered

Specializes in Psychiatry

Energy drinks: I agree with dr. Pappas, but also would be concerned with long-term use & effects on cardiovascular system.

Answered 9/8/2013

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