Instruction Guide for Intramuscular (IM) Self injection of B12 Methylcobalamin 1mg 5mg Methylcobalamin 10,000mcg injectable, 10mL (lyophilized) Defy Medical Learn how to administer your own SubQ (subcutaneous) injections at home with confidence. Our step by step guide covers everything you need to know, from preparing your supplies to safely injecting the medication. Our How to self administer subcutaneous B12 injection., 1. Withdraw proper dosage from vial into an insulin syringe, 2. Clean site of injection (abdomen or other proper site), 3. Pinch the skin where you Vitamin B D B12 Injections Near Ne Wilmington Urgent Care Clinic Wilmington Urgent Care And Family Clinic