Do Energy Drinks Really Give You Energy?

Performance wise, on one popular energy drink Web site the drink is claimed to increase:

Performance
Concentration
Reaction speed
Vigilance
Emotional status
Metabolism

It does not give any support to these claims, although caffeine can certainly increase reaction speed and so on in the short term. However, what the site does not mention is that no one really knows how the combination of ingredients in energy drinks will affect the human body. This is especially concerning since energy drinks are marketed toward people under 30 years old and are especially popular among students and night clubbers who drink several cans or more at a time.

Mixing energy drinks with alcohol, which is combining a stimulant with a depressant, has become an increasingly popular occurrence at bars. The combined effect of these substances is not known, but researchers say overloading the body with heavy stimulants and heavy depressants could lead to heart failure.

Pregnant women, lactating women and children, as well as people who know they are sensitive to caffeine or have excessive anxiety, should definitely avoid energy drinks.

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