First Endurance continues to lead the endurance nutrition category by introducing OPTYGENHP, the next-generation of Optygen. This revolutionary formula is the result of human clinical trials and the latest scientific research on increasing endurance and p 
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PreRace is a revolutionary new pre-exercise supplement developed to provide endurance athletes with a potent mental and cardiac jump-start prior to races or workouts. 
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First Endurance continues to stay at the forefront of endurance nutrition with the development of the EFS endurance bar. With the new EFS endurance bar, you get the same award-winning EFS drink formula in a great tasting bar that provides ALL the ingredie 
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The EFS Liquid Shot represents the latest collaboration between First Endurance, consumers like you and the most demanding athletes in the world. From the state-of-the-art formula down to the eco-friendly packaging, the EFS Liquid Shot is packed with the 
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- 400 high-quality calories - Over 1500mg electrolytes - 1000mg of amino acids - No Gelling Agents - Resealable, refillable, fully recycleable 
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EFS (Electrolyte Fuel System) is unlike any other endurance drink mix available. EFS combines the latest clinical research and nutritional technology with input from some of the best endurance athletes in the world. The result: a great-tasting energy drin 
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Endurance MultiV is the first multi-nutrient vitamin that’s clinically proven to enhance endurance. This unparalleled formulation contains a number of special ingredients that address the unique requirements of endurance athletes. 
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For endurance athletes, it’s crucial to focus on recovery in order to be competitive the day after a hard workout or race. That’s why the scientists and athletes at First Endurance developed Ultragen, the most advanced post-recovery formulation ever produ 
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