The invention relates to a drink containing calcium ions, potassium and carbohydrates, in the form of sugars and electrolytes, which are lost as a result of heavy sweating, said drink also containing water, flavouring agents and preservatives. The drink is characterised in that it quickly adds calcium ions to the blood stream.La presente invención se refiere a una bebida que provee una rápida incorporación de iones calcio al torrente sanguíneo en un tiempo menor a diez minutos.-.