giving vitamin b12 injections Shots: Do They Actually Work? How to give yourself a
Description
Modulation of NAD+ and SAM Levels : 5-Amino-1MQ has been observed to elevate intracellular NAD+ concentrations by reducing methylation loss, a process that indirectly enhances mitochondrial redox capacity

Folic Acid CPhA Monograph
Hydroxocobalamin?-clearing the confusion
For this reason, some clinics updated their charts, and give patients B12 shots at higher levels than before
Chen, J

Other common reasons are a local injection-site reaction, your body adjusting to corrected levels, and an underlying deficiency that was more severe than expected
