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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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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