Vitamin B Complex High Potency Injection (VetOne), 100 mL Instruction Guide for Intramuscular (IM) Self injection of B12 Methylcobalamin 1mg 5mg Subcutaneous (SC) and Intramuscular (IM) Injections Must Knows for Subcutaneous administration: Pinch skin with non dominant hand and hold syringe with dominant hand Always inject: 2 inches away from umbilicus (for abdomen) 3 inches How To Self Administer Vitamin B12 Injections Invigor Medical 4 Best B12 Injection Sites: A Complete Guide Many people know about the benefits of B12 shots, but did you know our Naturopathic Doctors use other vitamin injections as part of their comprehensive treatment plans? Various nutrients can be combined