Full Monster energy. Zero sugar. Refreshingly light. Ultra has a fresh, crisp, citrus-forward taste that doesn't feel like a traditional energy drink, but still packs the full Monster energy blend with 160mg of caffeine and B vitamins. Zero calories, zero sugar, and bursting with a lighter flavour profile that keeps you going all day . Price-marked at just £1.75, it's the guilt-free way to unleash the Ultra Beast.