b12 injections and heart attack Vitamin shots can help boost your body’s energy levels by preventing fatigue, helping you to lose weight also by lowering the risk of disease and other serious health concerns. Vitamin B12 injections for wellbeing at

B12 is an essential vitamin and deficiency during pregnancy can have serious consequences the appropriateness of treatment will be determined by your prescribing practitioner based on your individual circumstances

detected on nerve conduction velocity (NCV) studies

CDC.gov states: Aspiration before injection of vaccines or toxoids (i.e., pulling back on the syringe plunger after needle insertion but before injection) is not necessary because no large blood vessels are present at the recommended injection sites, and a process that includes aspiration might be more painful for infants (ACIP Vaccine Administration Guidelines for Immunization | Recommendations | CDC, 2018)

Given that it's impossible to get an appointment, that seemed pointless

And the good thing about vitamin B12 treatment is that its basically impossible to overdose