• Maximizes Performance During Exercise
• Delivers over 1,000 mg electrolytes per serving to prevent cramping
• Eliminates need to supplement with additional electrolytes
• Provides 250 calories, 40g carbohydrates, 10g protein and 6g fat

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 drink that provides ALL the ingredients you need to maximize endurance during exercise. For example, each serving of EFS provides all five electrolytes (over 1,000mg/serving) in the levels endurance athletes need to stay hydrated, prevent cramping and maximize endurance. With EFS, you don’t need to carry extra electrolyte pills or bother adding anything to your energy drink anymore. Times have changed.

Optygen is unlike any other endurance product available. Optygen is a legal, safe and stimulant-free formula designed specifically to optimize performance for endurance athletes. This revolutionary formula is based on human clinical trials and the latest scientific research on increasing endurance.

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 performance. New features include Beta-Alanine as well the most potent Rhodiola available.o main adaptogens in OPTYGENHP were first used by Tibetan Sherpas to help them climb Mt. Everest.

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. The Pre-race formula provides all the necessary ingredients needed to increases mental stamina, increases time to exhaustion, increases maximum workload, improves mental clarity and increases oxygenation of muscles (1,2,3,4).

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 produced...