First Endurance EFS-PRO Hydration Drink

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Fuel smarter. Hydrate deeper. Perform longer. Engineered for ultra-endurance athletes, EFS-PRO redefines hydration and fueling with a scientifically advanced formula that delivers: 60–120g of fast-absorbing carbohydrates per bottle, powered by Cyclic Cluster Dextrin (CCD) for sustained energy without GI distress 1,115mg of electrolytes per serving, including sodium, potassium, magnesium, and citrate to prevent cramping and optimize hydration Enhanced mental and physical performance through ingredients that support ATP production and oxygen uptake Optimal Absorption Technology to boost bioavailability of key nutrients, even at high concentrations Clean formulation with no artificial flavors, sweeteners, colors, or stevia Whether you're tackling a 100-mile race, grinding through a hot training block, or pushing past your limits on the bike, EFS-PRO is designed to be your all-in-one fueling solution. Mix, drink, and go—no gels, no pills, no guesswork. Show more