b12 injection subcutaneous or intramuscular What happens if you inject wrong? How to Give a B12

Funding AbbVie funded this study and participated in the study design, research, analysis, data collection, interpretation of data, reviewing, and approval of the publication

doi:10.1136/jcp.55.6.475

In some cases, after proper training from your doctor, you may learn how to self-administer the injection

Morning Administration: The Gold Standard Early morning dosing (6-8 AM) has become the preferred timing strategy for most users

Improves Mood and depression It helps maintain brain function, and its deficiency can lead to adverse effects such as anxiety and depression

There is also recent data which suggest that genetic alterations of the receptor by which B12 is transported into nerve tissue and the brain, may lead to a lower B12 uptake