[10] Relative contraindications encompass early polycythemia vera, tobacco amblyopia, and concurrent sensitivity to benzyl alcohol used as a preservative
Methylcobalamin cannot be made by plants or by animals
If you are considering B12 injections or are wondering if more frequent shots could benefit you, we encourage you to schedule an appointment
When active B12 is injected into your muscle, it bypasses the digestive tract, allowing your body to absorb 100% of the nutrient
Patients on Specific Medications: Certain medications, like proton pump inhibitors or metformin, can interfere with B12 absorption, making monitoring and supplementation necessary
Hydroxocobalamin is the preferred agent in this patient population (see separate monograph in Less Common Drugs)