There is less than 1/2 calorie (2 kilojoules) of sugar in an XS Energy Drink. Up to 8 calories in XS Energy Drinks are from amino acids and are protein calories that are used in your body’s natural metabolic process. Most energy drinks in the market today have over 100 calories from 27-30 grams of sugar (approximately 7 teaspoons of sugar), which is a simple carbohydrate. Most 375 mL non-diet soft drinks have 170 calories from 40 grams of sugar (approximately 10 teaspoons of sugar). Most 160 mL juice drinks have 80 calories from 20 grams of sugar (approximately 5 teaspoons of sugar).