To start, there are several types of NAD-boosting supplements, all with similar acronyms: NAD+, NADH, NR, NMN. So, what's the difference between these, and do they really work? Can NAD supplements ...

The main electron donor is NADH, which gives electrons to complex I. The other electron donor generated by the TCA cycle is FADH 2, formed by succinate dehydrogenase, which donates electrons to ...