what's the purpose of b12 injections Vitamin plays an important role in energy metabolism, nervous system function, and red blood cell production. For some individuals, Vitamin B12 may be used as part overall wellness Understanding the B12 Vitamin Shot:
Description
doi:10.3390/molecules191119066 Chris Centeno, MD is a specialist in regenerative medicine and the new field of Interventional Orthopedics

Advanced / Aggressive Protocol (3 mL = ~10.0 mg/mL) Note: The 12 mg dose represents the highest dose tested in Phase 2 trials [3] [4] , producing maximum weight-loss efficacy (~24% body weight at 48 weeks)

Benefits of Vitamin B12 Injection Therapy Vitamin B12 injections offer rapid correction of deficiency with quick symptom relief
It is a form of the vitamin
Vitamin B12 supports red blood cell formation, DNA synthesis, and normal nervous system functionso correcting a deficiency can improve symptoms like fatigue and weakness

B12 is one example of such a nutritional supplement