Two reasons
Selected References United States Pharmacopeia
As a general rule, IM is favored when the goal is rapid correction of a clinical deficiency, when the patient has difficulty absorbing B12 through oral or sublingual routes, or when a provider wants predictable peak serum levels
Understanding who needs supplementation, appropriate dosages, and safe usage helps support healthy pregnancy outcomes
Sikiric P., Seiwerth S., Rucman R., Drmic D., Stupnisek M., Kokot A., Sever M., Zoricic I., Zoricic Z., Batelja L., et al
The medical team will go over your medical history during the initial consultation to see if there are any contraindications and make suggestions based on your specific requirements