Optimal B12 Injection Sites for Maximum Absorption and Benefits Your Health Magazine How to Give B12 Injections at Home to Yourself PA Relief Are you feeling run down? Low Energy? A quick Vitamin B12 injection can help support energy, metabolism, and overall wellness. It delivers the vitamin directly into the muscle, allowing your body to Best Vitamin B12 Injection Sites: Where to Inject B12 PA Relief Vitamin B 12 Cyanocobalamin Injection 1000MCG mL 30 mL MDV Med Plus Physician Supplies What Happens If You Inject B12 Wrong: 6 Red Flags