What is in 5-hour ENERGY that keeps you awake?
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4 min read
According to the official website, a regular strength 5-hour ENERGY shot contains about as much caffeine as a leading premium coffee. The core of what is in 5-hour ENERGY that keeps you awake is a powerful combination of a high dose of caffeine alongside a specialized 'Energy Blend' that includes B vitamins, amino acids, and other nutrients.