<unk>  is an electrolyte that is FDA approved for the treatment of treatment of hyperkalemia.   Common adverse reactions include fecal impaction, ischemic colitis.
Polystyrene sulfonate
Pyritinol
Sodium polystyrene sulfonate
Calcium alginate
Ethyl hydroxybenzoate
Methylcellulose
Chondroitin sulfate
Gitoformate