We brought together the classic taste of cola with a vibrant black cherry to give you a powerful infusion of delicious energy. XS Black Cherry Cola Blast packs the punch so you can work all day or play all night without crash and burn. XS has all the energy you need to last because the XS energy formula has no sugar, no carbs, and just 8 calories per serving. Make every day count, go for great taste … and raise your energy level, too with XS Cherry Cola Blast. Kosher certified.