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  • EFS drink contains the highest level of electrolytes per serving available; contains 1,160mg of calcium, magnesium, chloride, sodium and potassium per serving
  • Also contains 700mg of malic acid per serving, which can stimulate oxygen consumption
  • AjiPure amino acid blend is 99 - 100% pure for fast and complete absorption
  • Nutrition facts displayed here and on packaging may differ; information on packaging reflects actual contents
  • *Discount will be applied when you check out; offer not valid for sale-price items ending in $._3 or $._9

Made in USA.

Ingredients: complex carbohydrates, sucrose, dextrose, AjiPure amino acid blend (l-glutamine, leucine, iso-leucine, valine), electrolyte blend (chloride, sodium, potassium, magnesium, calcium), citric acid, natural flavors, ascorbic acid.

View all First Endurance Sport Drinks

REI membership


Best Use Multisport
Best Consumed During Activity
Serving Size 1 scoop
Servings per Container 25
Calories Per Serving 96
Calories from Fat 0
Total Fat 0
Saturated Fat 0
Trans Fat 0
Cholesterol 0
Sodium 300 milligrams
Carbohydrates 24 grams
Potassium 160 milligrams
Dietary Fiber 0
Sugars 16 grams
Protein 0
Net Weight 28.2 ounces