1noun
a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
01 Word definition
niacin
6 letters · 3 vowels · 3 consonants
Is NIACIN a word?
Yes. NIACIN is a 6-letter noun. a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract Check the official dictionary for your particular word game before playing it.
Correct spelling
N-I-A-C-I-NHow do you spell NIACIN?
NIACIN contains 6 letters, begins with N, and ends with N.
Check another spelling →Meaning and definition
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗nicotinic acid
02 Letter breakdown
How is NIACIN spelled?
N1I2A3C4I5N6
03 Word-game status
Can you play NIACIN?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 8 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 11 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About NIACIN.
How do you spell NIACIN?
NIACIN is spelled N-I-A-C-I-N. It contains 6 letters.