Home ยป Deficiency of Niacin is Caused Due to the Deficiency of ————-? Vitamins MCQs Deficiency of Niacin is Caused Due to the Deficiency of ————-? January 26, 2022 2 Views Q. Deficiency of Niacin is Caused Due to the Deficiency of ————-? A. Scurvy B. Rickets C. Pernicious anaemia D. Pellagra Answer: Pellagra