“…As with sodium cellulose phosphate, iron, magnesium, zinc and copper may also be bound. Measurable iron-, zinc-or magnesium deficiency has not, however, been recorded during prolonged ion exchange resin therapy (WOLF 1969). The exchange mechanism is based on substituting potassium, of which the body receives a load of 984 mg124 hrs at a daily dose of 15 g resin.…”