Human use is based on anecdotal reports and theoretical mechanisms
However, it's important to note that the study was sponsored by a sublingual GSH company ( 6 )
The benefits of vitamin B12 injections include treating or preventing symptoms, such as fatigue, heart problems, neurological damage, mood changes, muscle weakness and hormone imbalances
Vitamin B12 is an essential water-soluble vitamin in the body, and affects various physiological processes in the body, including energy metabolism, cell metabolism, and plays various important roles in maintaining overall health
Safe listing language can mention NNMT research, cellular metabolism models, nicotinamide methylation, and analytical documentation when supported by sources
J 469 , 1723 (2015)