Term Name:	vitamin B3
Synonyms:	vitamin B-3, vitamin B3 vitamer, vitamin B3 vitamers, vitamins B3
Definition:	Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).
Ontology:	ChEBI [CHEBI:176839]  ( EBI )