As nouns the difference between niacin and niacinamide
is that niacin is a water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism while niacinamide is the amide of niacin.
niacin
English
Noun
(-)
(vitamin) A water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism.
Synonyms
* when used as a colour retention agent
* nicotinic acid
*
niacinamide
English
Noun
(-)
(organic compound) The amide of niacin
Synonyms
*nicotinamide