594730 Disclosed herein is the use of a composition comprising a physical mixture or a blend of powders, granules, crystals or crumbs of calcium salts, magnesium salts and iron salts for the preparation of a pharmaceutical composition for humans and/or animals for adsorbing phosphate in the treatment of hyperphosphataemia, in the treatment of chronic kidney deficiency (CKD) patients and/or in the treatment of haemodialysis patients.