Details New. Original Monster taste! People have been blowin' up our inbox for years asking for a zero sugar Monster. We got it, but this ain't soda pop, dude! Making a zero sugar drink, that's good enough to earn the Monster M ain't that easy. Finally with a re-tooled energy blend, new sweetener system and after hundreds of failed flavors, we git it right! Monster Zero Sugar: helps fight fatigue, improve mental performance and focus, and motivates you to work (I mean play) harder, so generally you feel pretty damn good. Zero sugar, Monster buzz. Unleash the Beast! • Sugar Free/No Sugar • Low Calorie