Peter Attia· MD
he's done a spectacular job showing how that leads to production of free radicals and so when you you need the right amount of this but this is a clear way to get toxic amounts of free radicals if you have nadh buildup secondly it just gums up metabolism if you have too much nadh relative to nad and so then you can get into problems not having enough atp and so and then it can also make signaling things go awry