is b12 injection prescription only Why Your Vitamin Remains Prescription-Only Vitamin B12 Injection: Energy Boost
Description
The Journal of nutrition , 136 (6), 1731S1740S

Overtraining can actually impair fat loss through hormonal disruption
The full per-batch Certificate of Analysis is available on request from [email protected]

B12 injections are an effective way to boost energy levels, combat fatigue, and improve overall health

Osimani, A., Berger, A., Friedman, J., Porat-Katz, B.-S., & Abarbanel, J

Patients with pernicious anaemia, malabsorption disorders (such as Crohn's disease or coeliac disease), or following gastric surgery require regular B12 supplementation to prevent serious complications including megaloblastic anaemia and neurological damage