b12 injections for energy dosage Vitamin Injections: The Key to and Focus Vitamin B12 - 10 dose
Description
What are the common side effects and precautions associated with B12 injections

PubMed World Anti-Doping Agency

Common side effects of lipotropic injections are mild and include soreness or redness at the injection site, mild nausea, lightheadedness, and occasional stomach upset

doi: 10.1016/0031-9384(95)02067-5
Vitamin B12 Shot - Delaware Concerned about ongoing fatigue and malaise

This depends on individual goals and health conditions
