5-Hour Energy Shots
Looks like: A tiny plastic vial.
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Tastes like: Carbonated orange cough syrup.
Smells like: Overripe fruit.
Caffeine and other contents: The makers claim that a 2-ounce shot of 5 Hour Energy contains "350% the energy" of a Red Bull, but they don't disclose the actual caffeine content. We estimate it to be about 80 mg, or the equivalent of a Red Bull. The shots also contain 40 mg of vitamin B6 and 500 mcg of B12.
Caffeine kick: Pretty intense. True to its name, the 5 Hour Energy shots deliver sustained energy and mental alertness, which lasts for several hours.