First Endurance PreRace Drink Mix Flavor:Plain (with caffeine) it will easily fit in

it will easily fit in all backpacks and suitcases

and build up your muscles to be even stronger than before

it's easy to mix into smoothies

Trust us as we've tried it all over

especially the nervous system

First Endurance PreRace Drink Mix Flavor:Plain (with caffeine) it will easily fit inIf you need a boost for an important workout, or that extra pep before a race (we find it works best for shorter duration races), PreRace delivers results. So whats in this stuff that will help you race? PreRace is formulated with multiple performance enhancing ingredients, including: Citrulline malate: this combination helps improve nitric oxide which increases blood flow, allowing you to get more oxygen and nutrients to your working muscles Malic