Biochemistry Patient presenting with pellagra, parkinsonism, convulsions, anemia and kidney stones has deficiency of A Coenzyme A B FADH C Niacin D Pyridoxal phosphate 💡 Explanation Patient presenting with pellagra, parkinsonism, convulsions, anemia and kidney stones has deficiency of ✓ Correct Answer: D. Pyridoxal phosphate