First Endurance E3 Energizing Sports Drink

EFS (Electrolyte Fuel System) is a new energy drink that combines ALL the ingredients you need to maximize endurance. Each serving of EFS provides all five electrolytes in the levels endurance athletes need to stay hydrated and maximize endurance. So you don't have to carry extra electrolyte pills or bother adding anything to your energy drink anymore. EFS is the first endurance drink to be fortified with clinically effective doses of the free-form amino acids Glutamine, Leucine, Iso-leucine and Valine instead of complete proteins. The latest research reveals that it's these specific free-form amino acids that are inherent in protein, not the complete protein itself, that improves glycogen resynthesis and delays central (mental) fatigue. The benefits of using free-form amino acids are that they're small molecules that are much easier to digest and absorb while exercising, they don't cause bloating and they don't cause gas. EFS also contains 200% RDA of Vitamin C to enhance the body's immune function, fight free radicals and keep you healthy for future training and racing.