US$ 21.57
b12 injections seizures Always Tired? Could Help B12 Injection Dosage and Frequency:
Description
Pack size: 100mL sterile injection for intramuscular or intravenous injection

Department of Health and Human Services, ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/

Refractory cytopenia may progress to acute myeloid leukemia (AML)
However, its important to note that many doctors rule out B12 deficiency in earlier stages when macrocytosis is absent