Multiple choice Which of the following is caused due to the deficiency of vitamin B3? Pellagra Macrocytic anemia Ariboflavinosis Beri-Beri NA Reveal answer Fill a bubble to check yourself A Correct answer Explanation Deficiency of vitamin B3 causes pellagra. Symptoms of pellagra include dermatitis, weakness, mental confusion and diarrhea. Pellagra may lead to dementia and death in some cases. Hence, it is the correct answer.