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EFS Electrolyte Powder Drink Mix - 25 Servings

Regular Price: $24.95
Sale Price: $21.95Save 12%

Prevents Cramping & Dehydration
With the highest electrolyte content available, First Endurance EFS drink mix provides everything you need to maximize endurance and performance during exercise. With the latest amino acid technology, superior mineral bioavailability and the addition of Malic Acid, EFS drinks refuel working muscles faster than ever before. They taste great, not chalky or overpoweringly sweet.

show more SKU: FEEED025
Regular Price: $24.95
Sale Price: $21.95Save 12%

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During Workout - Fuel an...
7:03:17 PM
Our During Workout products address your endurance sports nutrition needs while you're in the heat of the action, training or racing.

Electrolytes - Key to pr...
6:58:18 PM
Among other things, without electrolytes you wouldn't move a single muscle in your body. Got your attention?

EFS Drink Review
6:17:33 PM
Multisport athlete - Ben Morris - explains why EFS Drink from First Endurance is one of his favorite sports drinks.

With the latest amino acid technology, superior mineral bioavailability and the addition of Malic Acid, the new EFS drinks provide EVERYTHING you need to maximize endurance and performance during exercise. You’ll notice the difference right away too. The new formulas are incredibly fine, mix instantly and refuel working muscles faster than ever before. And with the highest electrolyte content available (1160mg of all 5 electrolytes/serving), there’s no need to carry those extra electrolyte pills or add anything else to EFS drinks. You can train and race with confidence knowing you don't have to worry about cramping or dehydration. Times have changed.
  • The Highest Electrolyte Content Available
  • The Latest Amino Acid Technology
  • Superior Calcium Bioavailability
  • Now With Malic Acid
The Highest Electrolyte Content Available
Clinical research shows endurance athletes require much higher levels of electrolytes than most sports drinks provide to prevent cramping and dehydration. The new EFS drinks now contains over 1,160mg of all 5 electrolytes per serving, more than any electrolyte drink on the market.

The Latest Amino Acid Technology
The Amino Acids in the EFS drinks are AjiPure amino acids, the purest, most- bioavailable source of free-form amino acids available. AjiPure amino acids have purity levels of 99%-100%. This results in faster and more complete absorption.

Superior Calcium Bioavailability
The new EFS formulas utilize two unique sources of calcium and magnesium. DiCalcium malate and Dimagnesium malate have superior bioavailability compared to other mineral sources. In a bioavailability study, absorption rates were between 20% and 100% higher using DiCalcium and DiMagnesium malates.

Now with Malic Acid
The new EFS drink contains 700mg of Malic Acid, which was not found in the previous formula. Malic acid stimulates oxygen consumption by increasing mitochondrial uptake, improving mitochondrial respiration and increasing energy production. Malic acid is essential in the formation of ATP, the body's energy source. Malic acid allows the body to make ATP more efficiently, even under low oxygen, or hypoxic conditions.

Mix one scoop EFS per 12 ounces of water. Consume one serving 15-30 minutes before exercise and take one serving every 30 minutes during exercise. EFS can be mixed up to 2x strength for additional calories and electrolytes.

Serving Size: 1 scoop (32g)
Servings per Container: 25
 Amount Per Serving %DV*
 Calories 96
  Calories from fat 0
Total Carbohydrate 24g
 (Complex carbohydrates, Dextrose, Sucrose)
   Sugars 16g
 Vitamin C 120mg
 (as ascorbic acid)
 EFS Total Electrolyte Blend 1160mg
 (Ca, Mg, Cl, Na, K)
 Calcium 100mg
 (as DiCalcium Malate)
 Magnesium 150mg
 (DiMagnesium Malate)
 Chloride 450mg
 (as sodium chloride)
 Sodium 300mg
 (as sodium chloride)
 Potassium 160mg
 (as di-potassium phosphate)
 Malic Acid 700mg
 (from DiCalcium and DiMagnesium Malate)
 AjiPure Amino Acid Blend 2,000mg
 (L-Glutamine, Leucine, Iso-Leucine, Valine)
* Percent Daily Values are based on a 2,000 calorie diet.
** Daily Value Not Established
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, natural stevia extract.

I’ve heard that there are benefits to having protein during exercise. Why doesn’t EFS contain protein?
EFS contains 2g Free Form Amino Acids per serving which is the equivalent in BCAA and Glutamine profile to 9g Whey Protein. Protein naturally contains Branched Chain Amino Acids and Glutamine. Clinical evidence supporting the use of Branched Chain Amino acids and Glutamine during exercise dates back to 1991. These clinical studies clearly indicate supplementing with as little as 1g Free Form Amino Acids improved performance, reduced post-exercise muscle damage, improved muscle glycogen re-synthesis, reduced central fatigue and improved rate of perceived exertion. These are the same claims made by the ‘NEW’ Protein study and clearly support a mechanism for improved performance.

The First Endurance Research Board sides with the abundance of clinical studies supporting improved endurance performance while supplementing with Amino Acids during exercise. In addition to the clinical support, other factors lead to a decision to use these Free Form Amino Acids over complete proteins.

  • Proteins are more difficult to digest than Amino Acids during exercise
  • Proteins don’t taste very good during exercise
  • Proteins can reduce the glycemic index of a drink, further reducing its ability to be quickly absorbed
  • There is considerably more evidence supporting Free Form Amino acids than complete proteins

What are the benefits of using EFS during exercise?
The benefits of EFS are:

  • Supplying fast and sustained energy for muscles
  • Improved fluid absorption
  • Reduced cramping and dehydration
  • Improved performance
  • Easy to digest and absorb
  • Improved glycogen re-synthesis
  • Delayed central (mental) fatigue
  • Replenish electrolyte loss

I am prone to cramping during longer training and racing. Will EFS help me with cramping problems?
Nutritionally cramping stem from electrolyte imbalance, electrolyte depletion and/or dehydration,. EFS provides the most potent electrolyte profile available. The combination of all five electrolytes deliver a potent 1040mg per serving, helping to prevent cramping. The 300mgs sodium per serving also aids in maximum fluid absorption so you stay hydrated throughout your training and racing. Supplementing with additional salt tabs, electrolyte tabs, or salty snacks is no longer needed when using EFS.


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