5-Hour Energy Launches 16-Ounce Can With Even More Caffeine - Eater

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Quick, simple and effective. Provides a feeling of alertness and energy. Zero sugar and packed with B vitamins and amino acids. Extra Strength 5-hour

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5-Hour Energy Launches 16-Ounce Can With Even More Caffeine - Eater

[Self] it's both. 5 hour energy has 215mg of caffeine. taking two would put 430mg in your system. caffeine has a half-life of 6 hours in the human metabolism, so the first 5 or so hours you would have “double energy” however it would also extend the effects of

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