how often you inject vitamin b12 complex Compounded Cyanocobalamin (Vitamin B12) Injection Vitamin B Complex: Package Insert
Description
instead, it indirectly affects NAD+ by inhibiting an enzyme called NNMT (nicotinamide N-methyltransferase)

About 80-90% of an intramuscular dose up to 50 mcg is retained in the body

5-Amino-1MQ is studied in laboratory environments for its association with NNMT enzyme inhibition, NAD+-related signaling, and cellular energy metabolism research

Azzini E, Raguzzini A, Polito A
