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. 2018

These 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.

Keep scrolling for more

Learn More about niacin

Dictionary Entries near niacin

Statistics for niacin

Look-up Popularity

Time Traveler for niacin

The first known use of niacin was in 1942

See more words from the same year

Keep scrolling for more

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