Niacinamide or nicotinamide is a form of vitamin B3 found in food and used as a dietary supplement and medication.[2][3][4] As a supplement, it is used orally (swallowed by mouth) to prevent and treat pellagra (niacin deficiency).[3] While nicotinic acid (niacin) may be used for this purpose, niacinamide has the benefit of not causing skin flushing.[3] As a cream, it is used to treat acne, and has been observed in clinical studies to improve the appearance of aging skin by reducing hyperpigmentation and redness.[4][5] It is a water-soluble vitamin. Niacinamide is the supplement name, while nicotinamide is the scientific name.
^World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
^World Health Organization (2021). World Health Organization model list of essential medicines: 22nd list (2021). Geneva: World Health Organization. hdl:10665/345533. WHO/MHP/HPS/EML/2021.02.
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