Social & Preventive Medicine A child was fed on staple diet of maize for a long time. Which of the following vitamin may get deficient in his body? A Vitamin B1 B Vitamin B12 C Niacin D Pyridoxine 💡 Explanation A child was fed on staple diet of maize for a long time. Which of the following vitamin may get deficient in his body? ✓ Correct Answer: C. Niacin