A carbohydrate-electrolyte solution helps maintain endurance. The solution of electrolytes enriched with minerals (Mg, K and Zn), salts (Na) and carbohydrates replenishes the body with the necessary substances and helps to achieve the goals set. Magnesium is necessary for muscles, protein synthesis and reducing fatigue. Potassium normalizes blood pressure and the nervous system. Zinc helps maintain acid-base balance, participates in fatty acid metabolism, protein synthesis and carbohydrate metabolism. Take care of your heart every day! There are 14 packets in a box.