New EFS drink

di First Endurance

Product Summary

EFS Drink gives us all the nutrients that the body needs to maximize endurance and performance during exercise. Users can feel beneficial effects immediately. EFS Drink contains the highest concentration of electrolytes on the market (1160 mg of all five electrolytes per dose), which certainly protect against muscle cramps and dehydration. The new EFS drink contains a patented form of theanine. Suntheanine® L-theanine is a mind-over-matter compound for maximizing your brain’s control over exercise performance. The brain plays a key role in endurance. Keeping your brain in the game strengthens your resolve at those decisive moments that can make the difference between success and failure. This means you can dig deeper into your reserves and react better when everyone is suffering because you’ll be less influenced by that little voice inside your head that’s screaming at you to stop.


  • Supplies fast and sustained energy
  • Improves fluid absorption
  • Reduces cramping and dehydration
  • Not causing water retention and empty weight gain
  • Without any artificial sweeteners, coloringflavors, and other harmful artificial additives
  • Patented form of Theanine
  • Prevents "Brain Fog"

Suggested usage

Mix 1 scoop with 250-800ml of water during exercise. Drink 1 bottle every 45-60minutes.



EFS DRINK (lemon, fruit punch) NUTRITIONAL VALUE DOSAGE (32g): Kcal: 110, kJ: 460, Carbohydrates: 26g (of which 16g sugars), Protein: 2g, Fat: 0g, Cholesterol: 0g INGREDIENTS: complex carbohydrates hydrates, sucrose, dextrose, mixture of amino acids (L-glutamine, leucine, isoleucine, valine), mixture of electrolytes (chloride (as sodium chloride), magnesium (as dimagnesium malate), calcium (as dicalcium malate), potassium (as dicalcium phosphate), sodium (as sodium chloride)), malic acid, citric acid, natural flavors. NET QUANTITY: 900g, enough for 30 doses.


More info

Naš ambasador in tiratlonec Marino Jukić prisega na  EFS Drink.

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 drink now contains over 1,160mg of all 5 electrolytes per serving, more than any electrolyte drink on the market.

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.

Contains malic acid

EFS drinks contain 700mg of malic acid to stimulate 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 to make ATP more efficiently, even under low oxygen, or hypoxic conditions.


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