: an acid C6H5NO2 of the vitamin B complex found widely in animals and plants and used especially against pellagra
Examples of niacin in a Sentence
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Common side effects from niacin include skin flushing (redness), stomach pain, diarrhea, heartburn, and vomiting.12
Nicotinamide is also available as a supplement and plays a similar role in the NAD pathway.
—
Kirstyn Hill, Pharmd, Mph, Health, 22 Oct. 2024
At 17 milligrams per cup, peanuts also contain more niacin than any other nut.
—Daryl Austin, USA TODAY, 21 Oct. 2024
Rutabagas also supply niacin and thiamine, which are necessary for growth, energy metabolism, and cellular function.2930
11.
—Jillian Kubala, Health, 7 Oct. 2024
Nutritional Facts of Rutabagas Rutabagas are low in calories, yet are high in fiber and essential vitamins and minerals, such as vitamin C, potassium, folate, niacin, and thiamin.
—Jillian Kubala, Health, 1 Oct. 2024
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Kirstyn Hill, Pharmd, Mph, Health, 22 Oct. 2024
At 17 milligrams per cup, peanuts also contain more niacin than any other nut.
—Daryl Austin, USA TODAY, 21 Oct. 2024
Rutabagas also supply niacin and thiamine, which are necessary for growth, energy metabolism, and cellular function.2930
11.
—Jillian Kubala, Health, 7 Oct. 2024
Nutritional Facts of Rutabagas Rutabagas are low in calories, yet are high in fiber and essential vitamins and minerals, such as vitamin C, potassium, folate, niacin, and thiamin.
—Jillian Kubala, Health, 1 Oct. 2024
See all Example Sentences for niacin
Dictionary Entries Near niacin
Cite this Entry
“Niacin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niacin. Accessed 29 Nov. 2024.
Copy CitationKids Definition
niacin
noun
ni·a·cin
ˈnī-ə-sən 
: an acid of the vitamin B complex that is found widely in plants and animals and is used especially against pellagra
called also nicotinic acid
Medical Definition
niacin
noun
ni·a·cin
ˈnī-ə-sən
: 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
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