On The Go B12 Injection at enTrust Urgent Care Center Clinic Sandoz Vitamin B12 Injectable Solution 1000 mcg 10 mL Vitamin B12 Lets pinch subcutaneous injection sites! When I said heparin and enoxaparin are exclusively used in the abdomen, I dont mean other meds cant go there. We just generally put anticoagulants in the How to Give a B12 Injection: Step By Step Instructions Instruction Guide for Intramuscular (IM) Self injection of B12 Methylcobalamin 1mg 5mg Common Mistakes in B12 Injections to Avoid