Need an energy boost to get through your day? Grab a Berry flavored Extra Strength 5-hour ENERGY shot. It’s packed with a big energy blend and big taste. The only thing small about it is its size. Take a Berry flavored Extra Strength 5-hour ENERGY shot and get hours of energy. Berry Extra Strength 5-hour ENERGY shots are packed with a blend of B-vitamins, amino acids and caffeine comparable to 12 ounces of the leading premium coffee. Zero sugar, 4 calories, and amazing taste.