niacin
Definition
- Noun:
- A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract: Niacin is a water-soluble vitamin, part of the vitamin B complex, that the body needs to convert food into energy and maintain healthy skin, nerves, and digestion.
Usage Examples
- Noun:
- A deficiency in niacin can lead to a disease called pellagra.
- Foods like poultry, fish, and whole grains are good sources of niacin.
- The doctor recommended a supplement containing niacin to support her metabolic health.
Advanced Usage
- "Niacin flush": A temporary, harmless side effect of high-dose niacin supplements, characterized by skin redness, warmth, and itching.
- He experienced a niacin flush after taking his vitamin supplement on an empty stomach.
Variants and Related Words
Nicotinic acid (n): A specific chemical form of niacin.
- Nicotinic acid is one form used in dietary supplements and food fortification.
Niacinamide / Nicotinamide (n): Another form of the vitamin that does not cause the "flush" effect.
- The skincare product contains niacinamide for its anti-inflammatory properties.
Synonyms
- Vitamin B3: The common alternative name for niacin.
- PP factor (Pellagra-Preventive factor): An older term used historically.
Related Phrases
- Niacin equivalent (NE): A unit of measurement that accounts for the body's ability to make niacin from the amino acid tryptophan.
- Nutritional labels may list niacin content in niacin equivalents.
Related Idioms
(No common idioms are directly based on the word "niacin." It is a scientific term primarily used in nutritional and biochemical contexts.)
Noun
-
a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
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