niacin
Americannoun
noun
Etymology
Origin of niacin
First recorded in 1935–40; ni(cotinic) ac(id) + -in 2
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Vocabulary lists containing niacin
Nutrition - Middle School
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Nutrition - High School
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Nutrition and Digestion - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Another is to look for evidence that adding niacin may improve how long patients remain alive without their cancer getting worse.
From Science Daily ● Oct. 4, 2026
"There are mandatory vitamins and minerals which manufacturers in the UK are required to add to white wheat flour such as calcium carbonate, niacin and thiamin," she says.
From BBC ● Sep. 26, 2026
Together, they developed a research program to determine whether niacin can restore the function of weakened immune cells and help them destroy tumor cells.
From Science Daily ● Jun. 22, 2026
They added, "Given that niacin is a well-established and safe medication used to treat hyperlipidemia, it holds promise as a candidate for combination therapies targeting miRNA pathways in MASLD."
From Science Daily ● Mar. 24, 2026
Maize lacks digestible niacin, the amino acids lysine and tryptophan, necessary to make proteins and diets with too much maize can lead to protein deficiency and pellagra, a disease caused by lack of niacin.
From "1491" by Charles C. Mann
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
