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This includes certain genetic disorders, dietary restrictions, or specific medical treatments
This is rare, but better to be safe
Studies have shown that regular oral supplementation is just as effective as having B12 injections (Masucci and Goeree, 2013)
2025 [cited 31 Dec 2025] Cyanocobalamin (intramuscular route)-Description and Brand Names - Mayo Clinic [Internet]
I called Telehealth Ontario to speak to a nurse and they said they will call me back in 9 hours
March 5, 2025
