nicotinamide adenine dinucleotide

noun

: nad

Examples of nicotinamide adenine dinucleotide in a Sentence

Recent Examples on the Web
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The silky smooth formula also contains squalane and glycerin for hydration as well as niacinamide and sunflower sprout extract to help skin cells produce NAD+ (nicotinamide adenine dinucleotide), a coenzyme that is essential to cellular regeneration, repair, metabolism, and other functions. Tatiana Boncompagni, InStyle, 22 Jan. 2026 Once absorbed by the body, it is converted into nicotinamide adenine dinucleotide (NAD), which plays a role in energy production, cellular communication, DNA repair, and more. Jamie Ducharme, Health, 26 Sep. 2025 One example getting a lot of media attention right now is nicotinamide adenine dinucleotide (NAD+), which first became popular via videos of celebrities doing IV infusions. Jess Cording, Forbes.com, 21 Apr. 2025 With the global wellness industry expected to reach $9 trillion by 2028, nicotinamide adenine dinucleotide (NAD+) is predicted to be 2025’s new Ozempic—at least, in terms of popularity. Essence, 9 Jan. 2025 The model was filmed sampling an intravenous drip laced with nicotinamide adenine dinucleotide (or NAD+) for an episode of The Kardashians. Mattie Kahn, Vogue, 17 Dec. 2024 In the body, these forms are converted to nicotinamide adenine dinucleotide (NAD) or nicotinamide adenine dinucleotide phosphate (NADP), two active forms of niacin.4 NAD and NADP are involved in hundreds of important chemical reactions throughout your body. Brittany Lubeck, Ms, Rdn, Verywell Health, 1 Aug. 2024

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of nicotinamide adenine dinucleotide was in 1960

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Cite this Entry

“Nicotinamide adenine dinucleotide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nicotinamide%20adenine%20dinucleotide. Accessed 13 Feb. 2026.

Medical Definition

nicotinamide adenine dinucleotide

noun
: nad

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