When to recheck vitamin B12 levels after intramuscular vitamin B12 (cobalamin) injection? Lipotropic & B12 Injections For Weight Loss Right Weight Center Could a cure for Pernicious Anaemia be on the horizon? For nearly a century, PA has been managed not cured. Lifelong B12 injections treat the consequence of the disease, but Main benefits of B12 injections 1) Increased energy & reduced fatigue B12 helps convert food into usable energy Deficiency often causes tiredness, weakness, and low stamina 2) Healthy red blood cells Prevents