Pharmacology The difference between iron sorbitol-citric acid and iron dextran is that the former A Cannot be injected i.v. B Is not bound to transferrin in plasma C Is not excreted in urine D Produces fewer side effects 💡 Explanation The difference between iron sorbitol-citric acid and iron dextran is that the former ✓ Correct Answer: A. Cannot be injected i.v.