Medicine All are true about bilirubin , EXCEPT: A Hydrophobic and toxic compound B It is a tetrapyrrole C Daily production is 4 mg/kg D Most hemoglobin is derived from ineffective erythropoiesis 💡 Explanation All are true about bilirubin , EXCEPT: ✓ Correct Answer: D. Most hemoglobin is derived from ineffective erythropoiesis