Hours of Energy Now - No Crash Later Feel It In Minutes - Lasts For Hours B-Vitamins and Amino Acids Only 4 Calories Sugar Free Extra Strength 5-Hour Energy is designed for extra busy, extra hard-working people who need an extra-big boost to help power them through their day. Extra Strength 5-Hour Energy sports a beefed up energy blend. It's packed with B vitamins, amino acids and other nutrients found in everyday foods, or that are already in you. It contains zero sugar, zero herbal stimulants and only four calories. It has as much caffeine as 12 ounces of the leading premium coffee. Extra Strength 5-Hour Energy shots take just seconds to drink and are light and portable. They easily fit in your desk drawer, glove box, locker, purse or backpack. They are non-carbonated and require no refrigeration so you can drink it any time you need a quick boost. Recommended Use: Drink half of bottle (0.965 oz.)