This is a treatment that is given by injection
Safety Considerations and Who Should Seek Provider Guidance NAD precursors (NMN, NR) are generally well-tolerated at standard doses, though some users report mild nausea or headache
In the nigrostriatal tract system, dopamine undergoes autooxidation or oxidative deamination by monoamine oxidase-B, both of which aggravates with age, leading to increased production of peroxides and hydroxyl radicals 41
Yamazaki N, Shinohara Y, Shima A, Yamanaka Y, Terada H: Isolation and characterization of cDNA and genomic clones encoding human muscle type carnitine palmitoyltransferase I
Its ~5day halflife allows convenient onceweekly subcutaneous dosing [1]
As with any therapy, long-term studies are still limited, so ongoing observation and clinical research will further define its safety profile