7 ISOTONIC GOLD nutrition 1000g . Dietary supplement. Contains sugars and sweetener. Carbohydrate complex enriched with BCAA, D-ribose, L-carnitine tartrate and a complex of essential minerals and vitamin C for intense physical effort. The carbohydrate complex contributes to the proper functioning of the muscles during intense physical effort and replenishes glycogen in the muscles. Magnesium, which helps reduce fatigue and tiredness, and potassium and salt, whose balance favors muscle regeneration and is responsible for the body’s water and electrolyte balance. The calcium and vitamin C content further contributes to the maintenance of normal energy metabolism.