Methylcobalamin 10,000mcg injectable, 10mL (lyophilized) Defy Medical Vitamin B D B12 Injections Near Ne Wilmington Urgent Care Clinic Wilmington Urgent Care And Family Clinic 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 Instruction Guide for Intramuscular (IM) Self injection of B12 Methylcobalamin 1mg 5mg