Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Subcutaneous Injection: What Is It and How to Give One Ro 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 Amazon.com: L Methyl Folate 15mg Plus Methyl B12 Cofactor Organic Berry Flavor, High Potency Liquid Sublingual Active 5 MTHF Form Supports Mood, Methylation, Cognition Bioactive Forms Vitamin B9 & B12 ( Subcutaneous Injection Sites and Instructions for Safe Self Administration