
1) Nicotinamide
Found on
https://www.crosswordclues.com/clue/niacinamide

A nutrient in the vitamin B complex that the body needs in small amounts to function and stay healthy. Niacinamide helps some enzymes make energy in the cell. It is found in many plant and animal products. It is water-soluble (can dissolve in water) and must be taken in daily. It is being studied to increase the effect of radiation therapy on tumor...
Found on
http://www.cancer.gov/dictionary?expand=N

<biochemistry> Member of the water soluble B vitamin group, used in the production of fatty acids, steroids and cholesterol, deficiency is known as pellagra. Has cholesterol-lowering and vasodilating properties. ... (27 Sep 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(ni″ә-sin´ә-mīd) the amide of niacin, occurring naturally in the body and interconvertible with niacin; used in prophylaxis and treatment of pellagra, administered orally, intravenously, or intramuscularly. Called also nicotinamide.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: nī′ă-sin-am′īd Synonyms: nicotinamide
Found on
http://www.medilexicon.com/medicaldictionary.php?t=60435

A form of vitamin B3, it strengthens the skin's outer layers, improves elasticity, and curbs redness and irritation.
Found on
https://www.allure.com/story/skin-care-terms-glossary-definitions

Vitamin B3. Used to cleanse hair and lighten skin.
Found on
https://www.encyclo.co.uk/local/22766

nicotinamide.
Found on
https://www.infoplease.com/dictionary/niacinamide
No exact match found.