Zero Ultra has zero sugar but with all the flavor you're accustomed to and packed with our Monster Energy blend. Zero Ultra offers a crisp, refreshing and less sweet, sparkling refreshment that is great for any occasion. UNLEASH THE BEAST | Tear into a can of the meanest energy drink on the planet, Monster Energy. Athletes, musicians, anarchists, co-ed’s, road warriors, metal heads, geeks, hipsters, and bikers dig it- you will too.