OPTIMUM NUTRITIONs PLATINUM PUMPTM contains high levels of citrulline, beta-alanine and Fruitflow®, so you can have the intensity you need to sustain your workout without the unwanted effects of caffeine. This blend combines high-quality ingredients to provide a caffeine-free muscle pump formula that supports your muscles. Includes Aquamin® magnesium for electrolyte balance and CocoMineralTM. Whether you train late at night, have a caffeine sensitivity, or are simply looking for an alternative pre-workout drink, PLATINUM PUMPTM is a specially designed formula with a selection of high-quality ingredients, designed to help you when you need it. Magnesium contributes to normal muscle function and electrolyte balance.