from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The reduced form of NAD.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry nicotinamide adenine dinucleotide (NAD) carrying two electrons and bonded with a hydrogen (H) ion; the reduced form of NAD.


from The American Heritage® Dictionary of the English Language, 4th Edition

[NAD + H.]


Help support Wordnik (and make this page ad-free) by adopting the word NADH.


  • Anne Belli GesalmanREMEDIESClearing the Mental Fog A double espresso can add spring to your step when you're short on sleep, but a compound called NADH may do more to sharpen your mind.

    Periscope 2007

  • NADH, which is sold over the counter under the trade names ENADA and ENADAlert, is not a stimulant and has no apparent side effects.

    Periscope 2007

  • Glycolysis can run, but some of the reaction products especially a compound called NADH accumulate, and soon enough that reaction would get choked off, too.

    Evolution of alcohol synthesis - The Panda's Thumb 2005

  • During this step, a molecule called NADH is also produced. 2010

  • During this step, a molecule called NADH is also produced. 2010

  • Because neonates have both an immature NADH-dependent methemoglobin reductase system and higher levels of fetal hemoglobin,11-12 they are more susceptible to the oxidative stresses which can be seen with phenazopyridine.

    Phenazopyridine 2010

  • The region includes genes encoding a CoA-dependent methylmalonate semialdehyde dehydrogenase (dntE), a putative NADH-dependent dehydrogenase (ORF13), and a bifunctional isomerase/hydrolase (dntG).

    Casey Luskin on Kitzmiller & Information 2010

  • Irradiation of melanin for 20 min increased the velocity of the NADH/ferricyanide coupled reaction 3-fold in comparison to that measured for non-irradiated melanin, while 40 min irradiation had an even larger effect, causing a 4-fold increase in velocity (Table 1).

    Chernobyl Fungus Feeds On Radiation 2008

  • Most of my work has centred around the cytochrome bc1 complex, but I've looked at NADH: ubiquinone oxidoreductase too.

    On Thursday, the Legg report will be published along with... 2009

  • In addition, the respiratory cycle converts NADH and FADH2 into reactants that the Krebs cycle requires to function.

    Krebs cycle 2009


Log in or sign up to get involved in the conversation. It's quick and easy.