self administration of b12 injections How to Give Yourself a Injection How to Give Yourself a

Wu WX, Tian WL, Hu Z, Chen G, Huang L, Li W, et al

Other doses are available on request

Avoid Alcohol: Refrain from alcohol consumption for at least 24 hours before your treatment, as it can interfere with nutrient absorption

Additional risk factors include: Chronic kidney disease : Reduced renal clearance may impair B12 excretion Liver disease : Hepatic dysfunction can disrupt B12 metabolism and storage Myeloproliferative disorders : Certain blood cancers increase B12-binding proteins Concurrent medication use : Some drugs may interact with B12 metabolism, including metformin, proton pump inhibitors, and H2 antagonists Patients with these conditions should have B12 supplementation carefully monitored by their healthcare team

A clinician who repeats those figures to a patient is setting up a disappointment and a refund request