A tablet, obtainable by direct comprising the active ingredient
4-amino-1-hydroxybutylidene-1,1-bis-phosphonic (alendronic) acid or its
pharmaceutically acceptable salts in an amount of 5 to 140 mg, based on
the pure acid, a dry binder, a disintegrating agent, a lubricant, the
tablet comprising, as the diluent, a combination of at least two diluents
except lactose.