The reactants required for the production of NADH within a cell are:
- Nicotinamide adenine dinucleotide (NAD+)
- A substrate that can donate electrons to NAD+ and reduce it to NADH. This can be a variety of molecules, such as glucose, fatty acids, or amino acids.
- Enzymes that catalyze the reaction and facilitate the transfer of electrons to NAD+ to form NADH. These enzymes can vary depending on the specific metabolic pathway involved in the generation of NADH.