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  • EFSPro-Sour-Watermellon—2022—100000820407

EFSPro Sour Watermelon First Endurance


EFS Sour Watermelon is an isotonic drink made of electrolyte powder, excellent taste and excellent water solubility. The recommended daily dose of three accompanying scoops (37 g) contains a set of top nutrients – minerals (chloride, sodium, potassium, magnesium and calcium), a mixture of amino acids (L-glutamine, L-leucine, L-isoleucine and L-valine) with additional support patented Suntheanine® L-theanine, amino acids analogous to proteinogenic amino acids L-glutamate and L-glutamine (amino acids in the composition of natural proteins (proteins)) with natural lemon lime flavor. The serving dose has an energy value of 120 kcal.

  • 740 g powder (for 20 servings)
  • Gluten free
  • Free of artificial sweeteners, colors and flavors


Category: Brand: First Endurance


Calcium contributes to the maintenance of normal bones and teeth, normal muscle and digestive enzyme function, normal nerve transmission, normal energy metabolism, normal blood clotting and has a role in regulating cell division and differentiation. Magnesium contributes to electrolyte balance, normal protein synthesis, reduced fatigue and exhaustion, normal energy metabolism, normal muscle function, maintenance of normal bones and teeth, and plays a role in the process of cell division. Zinc contributes to normal DNA and protein synthesis, normal metabolism of macronutrients, carbohydrates, fatty acids and vitamin A, normal immune function, normal cognitive function, maintenance of normal bones, hair, skin, nails and eyesight, protects cells from oxidative stress and has a role in cell division process. Potassium contributes to the normal functioning of the nervous system and normal muscle function.

Ingredients: L-glutamine, chloride, sodium, branched chain amino acid blend, potassium, L-alanyl-L-glutamine, calcium, magnesium, L-theanine, GABA, high branched amylopectin dextrin, short chain maltodextrin acid, guarcharic acid, sugar, sugar gum, natural aroma, acacia (Acacia spp.), sweetener steviol glycosides.

Directions for use: mix 3 scoops in 6.5 dl of water and drink in small sips 15-30 minutes before physical activity and every 30 minutes during activity or on the recommendation of a professional.

Note: Keep out of reach of small children. The recommended daily doses should not be exceeded. A dietary supplement is not a substitute or replacement for a balanced diet. It is important to adhere to a balanced and varied diet and a healthy lifestyle.

WARNING: Consult a professional before use. Do not use if the protective cover under the plug is missing or damaged.

Storage conditions: in a dry and dark place at a temperature up to 25 ° C.

Best used until the end: the date printed on the original packaging.

Packaging: Plastic packaging – 740 grams of powder

Instruction manual: Mix 3 scoops in 6.5 dl of water and drink in small sips 15-30 minutes before physical activity and every 30 minutes during activity or as recommended by a professional.

Ingredients in the recommended daily dose (= 3 scoops (37 g)): Amount per serving: % Daily value
L-glutamine 2000 mg
Chloride (sodium chloride) 530 mg 66 %
Sodium (sodium chloride, trisodium citrate) 500 mg
Branched chain amino acid mixture (BCAA 2: 1: 1) (leucine, isoleucine, valine) 250 mg
Potassium (dipotassium phosphate) 220 mg 11 %
L-alanyl-L-glutamine 200 mg
Calcium (dicalcium malate) 100 mg 13%
Magnesium (dimagnesium malate) 50  mg 13 %
L-theanine (Suntheanine *) 50 mg
GABA (gamma amino-butyric acid) (PharmaGABA *) 17 mg
Table of nutritional values in the serving dose (3 scoops (37 g)): Amount per serving :
Energy value 120 kcal

– dietary fiber: 0 g

– sugars: 10 g

30 g
Fats 0 g
Proteins 0 g

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