If you decide to undertake self-injection, first consult a nurse practitioner or doctor to learn the proper method of identifying and cleaning the injection site, administration and how-to properly open and clean a vial.
ASEBP does not provide medical advice
Acknowledgements The authors would like to acknowledge Maria Wendt, David Reczek, Anna Park, Tristan Magnay and Dietmar Hoffmann for their insightful discussions, technical support and invaluable feedback throughout the study
From my experience as a medical professional, B12 injections do play a role in improving energy levels, especially for those who are B12 deficient
according to the National Academies of Sciences, Engineering, and Medicine, absorption is approximately 50% at 1 mcg but falls to roughly 1.3% at 1,000 mcg