plasma aldosterone , cortisol , sodium ( na ) , potassium ( k ) , calcium ( ca ) , magnesium ( mg ) as well as urine and sweat na , k , ca and mg concentrations were measured in nine male healthy persons during an one hour ergometer exercise before and after a fourteen day magnesium aspartate ( mg ) supplementation .
C0543448
magnesium aspartate
C0024467
mg