- Niacin — vitamin B3 (English)
- A colourless, water-soluble solid, organic compound with the formula C5H4NCO2H. It's a derivative of pyridine, with a carboxyl group (COOH) at the 3-position.
Learn how to say "vitamin B3" in other languages:
Browse our dictionary
Find other interesting words in German and English by browsing through our dictionary: