First Endurance
First Endurance EFS-PRO Hydration Drink
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.
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Supplement Use Guide
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Glutamine: How to Use Effectively
Product Examples: L-Glutamine powders, capsule forms, multi-amino recovery blends Purpose Supports muscle recovery, immune system function, gut integrity, and nitrogen balance. Commonly used to aid post-workout recovery or mitigate overtraining...
Glutamine: How to Use Effectively
Product Examples: L-Glutamine powders, capsule forms, multi-amino recovery blends Purpose Supports muscle recovery, immune system function, gut integrity, and nitrogen balance. Commonly used to aid post-workout recovery or mitigate overtraining...
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L-Theanine: How to Use Effectively
Product Examples: L-Theanine capsules, green tea extracts, combo blends with caffeine or magnesium Purpose Promotes relaxation without sedation, enhances focus, and supports stress management. Frequently used to smooth out stimulant...
L-Theanine: How to Use Effectively
Product Examples: L-Theanine capsules, green tea extracts, combo blends with caffeine or magnesium Purpose Promotes relaxation without sedation, enhances focus, and supports stress management. Frequently used to smooth out stimulant...
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Carbohydrate Endurance Fuel: How to Use Effecti...
Product Examples: Maltodextrin + fructose blends, glucose polymers, isomaltulose-based drinks, energy gels or chews Purpose Provides sustained energy during prolonged aerobic activity. Replenishes glycogen stores, maintains blood glucose, and delays...
Carbohydrate Endurance Fuel: How to Use Effecti...
Product Examples: Maltodextrin + fructose blends, glucose polymers, isomaltulose-based drinks, energy gels or chews Purpose Provides sustained energy during prolonged aerobic activity. Replenishes glycogen stores, maintains blood glucose, and delays...