niacin
noun
ni·a·cin
| \ ˈnī-ə-sən
\
\
Definition of niacin
: an acid C6H5NO2 of the vitamin B complex found widely in animals and plants and used especially against pellagra
also
: nicotinamide
— called also nicotinic acid
Examples of niacin in a Sentence
Recent Examples on the Web
The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018 The nutty spread also offers vitamins and minerals including the B vitamin niacin, iron, potassium and vitamin E. The healthiest peanut butter is made from just peanuts, while added salt, sugars and oils change its nutritional profile. — Lisa Drayer, CNN, "Is peanut butter healthy?," 8 Mar. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'niacin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for niacin
niacin
noun
English Language Learners Definition of niacin
technical
: a type of natural substance (called a vitamin) that is found in certain foods and that helps your body to be healthy
See the full definition for niacin in the English Language Learners Dictionary
niacin
noun
ni·a·cin
| \ ˈnī-ə-sən
\
\
Medical Definition of niacin
: a crystalline acid C6H5NO2 that is a member of the vitamin B complex occurring usually in the form of a complex of niacinamide in various animal and plant parts (as blood, liver, yeast, bran, and legumes) and is used especially to lower LDL and triglyceride levels in the blood and to treat pellagra
— called also nicotinic acid