The problem is that NAD levels decrease with age
Because that figure comes from rodent research, many start patients at the low end (about 5 mcg/kg or a flat 250 mcg) and adjust over one to two weeks
Heres a snapshot of what glutathione does: Supports detoxification pathways, especially in the liver Regulates immune function and helps reduce chronic inflammation Shields your cells from oxidative stress and free radical damage Fuels mitochondrial energy production (aka your bodys energy engines) Although your body produces its own glutathione, levels tend to drop with age, ongoing stress, toxin exposure, infections, or chronic health issues
No mixing
Clin Biomech 6:133144 Furberg C, Ringqvist T (1967) Penicillin and working capacity (letter)
Furthermore, the redundancy of pathways in the metabolic rewiring that can take place during isoleucine catabolism to succinyl-CoA is enormous, see Supplementary Fig