Abstract: The invention relates to a method for producing tablets comprising a polyallylamine polymer, comprising the steps (i) preparation of a polyallylamine polymer or pharmaceutically compatible salts thereof, optionally in a mixture with one or more pharmaceutical excipients; (ii) compaction to give a slug; (iii) granulation of the slug; and (iv) compression of the resulting granules to give tablets; and also to tablets, sachets and slugs comprising a compacted polyallylamine polymer. In addition, the invention relates to tablets comprising a polyallylamine polymer, in particular Sevelamer, with a bimodal pore size distribution.