What are the benefits of B12 injection? Blades Wellness Vitamin B12 Injection Training Manual: IM + Sub Q, Canva Template (60 Pages, Digital Download) Etsy Israel 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 Needle Injection Techniques Every Nurse Should Know! Whether you're prepping for your NCLEX or brushing up on your skills, here's a quick breakdown of the most common injection routes you'll encounter B12 vitamin Store Intramuscular vs Subcutaneous Injections for vitamin B12 supplements.