Dialysis solution, comprising one or more creatine compounds selected from the groups consisting of: (i) Compounds of (phospho) creatine, chosen from (phospho) creatine, (phospho) creatine monohydrate, phosphocyclocreatine and homociclocreatin, (ii) Derivatives of (phospho) creatine, chosen from the salts of (phospho) creatine, more preferably salts of pyruvate, lactate, ascorbate, acetate, citrate, hydroxycitrate, aleurate, phytate, mandelate, malate, glycolate, cinnamate, salicylate, hyaluronate, β-hydroxybutyrate, gluconate, choline, carnitine, propionylcarnitine, coenzyme Q10, adenosine, fructose, fructose-1,6-bisphosphate, creatine-adenosine esters, acid creatine-glutamine and pyruvate acid anhydrides, (iii) Precursors of creatine, chosen from guanidinoacetic acid, 3-guanidinopropionic acid, benzoic guanidino and the combination of glycine, arginine and methionine as well as their physiologically acceptable salts, which are characterized in that one or more creatine compounds are present in a concentration equivalent to 0.1 to 5 mM / l creatine.Solución para diálisis, que comprende uno o más compuestos de creatina seleccionados de los grupos formados por: (i) Compuestos de (fosfo)creatina, elegidos entre la (fosfo)creatina, la (fosfo)creatina monohidrato, la fosfociclocreatina y la homociclocreatina, (ii) Derivados de (fosfo)creatina, elegidos entre las sales de (fosfo)creatina, más preferiblemente sales de piruvato, lactato, ascorbato, acetato, citrato, hidroxicitrato, aleurato, fitato, mandelato, malato, glicolato, cinamato, salicilato, hialuronato, ß-hidroxibutirato, gluconato, colina, carnitina, propionilcarnitina, coenzima Q10, adenosina, fructosa, fructosa-1,6-bifosfato, ésteres de creatina-adenosina, anhídridos ácidos de creatina-glutamina y piruvato de creatina, (iii) Precursores de creatina, elegidos entre el ácido guanidinoacético, ácido 3-guanidinopropiónico, guanidino benzoico y la combinación de glicina, arginina y metionina así como sus sales acep