b12 home injections at - Safety Guide for Self-Administration Vitamin B12 Injections: Good or

lot and expiration date on label Storage: Store at controlled room temperature

Until safety data exists, avoiding use during these periods is the only prudent approach

If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again

If your B12 level is normal and weight loss is the goal, injections alone are unlikely to deliver meaningful fat loss

intramuscular administration of vitamin B12 for the treatment of patients with vitamin B12 deficiency"