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 Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta analysis Irish Journal of Medical Science (1971 ) At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD Vitamin Injections Des Plaines, IL Vitamin Deficiency Treatment