The decision usually comes down to convenience versus cost
Intramuscular B12 injection sites If you prefer intramuscular delivery, the best places for B12 shots are often the rounded shoulder muscle (deltoid), the thigh, and the hip
With those four simple steps, the calculator will automatically display the concentration (in mcg per mL), the volume required per dose, and the approximate number of doses that can be taken from the vial
Causes of Anxiety B12 Side Effects Another common side effect or issue reported from taking B12 or B vitamins is anxiety, heart palpitations and difficulty sleeping
Physiol Rev 95:513548 Sapru MK, Yates JW, Hogan S, Jiang L, Halter J, Bohn MC (2006) Silencing of human alpha-synuclein in vitro and in rat brain using lentiviral-mediated RNAi