Biology · Human Health and Diseases
Pellagra is a disease characterized by dermatitis, diarrhea, and dementia. It is primarily caused by a deficiency of which vitamin?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Riboflavin (Vitamin B2)
- 2Nicotinic acid (Niacin / Vitamin B3)✓
- 3Thiamine (Vitamin B1)
- 4Pantothenic acid (Vitamin B5)
Correct answer
Nicotinic acid (Niacin / Vitamin B3)
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