what happens if you inject expired b12 Safe to use expired? : r/B12_Deficiency Your Ultimate Guide to Storing

Read more: Vitamin B12 Shots- Side Effects Itchy Skin Patches from Vitamin B12 Shots Sources: Vitamin B12 Injections Side Effects Tips to ease injection site soreness A Guide to Post-Injection Muscular Pain Image courtesy of David Castillo Dominici/freedigitalphotos

Trends Endocrinol Metab

Brescoll J, Daveluy S

We might change the dose if: Patients dont get better or keep having symptoms of deficiency They keep having trouble absorbing nutrients Their health changes or they get new health problems By watching both lab results and how patients feel, we can make Vitamin B12 shots work best for them

That's two solid cycles per year with adequate off-time