b12 injections vs oral supplements Pills: Richmond's Complete Guide is oral b12 as effective

Take your injection on a day when you can rest if needed a small number of patients feel tired or mildly unwell in the first 24 hours as their body begins to respond

Some contraindications (reasons not to take B12 shots) include: Allergies to cyanocobalamin or methylcobalamin Kidney or liver disease Eye issues, especially if you have Lebers disease A current infection If youre taking medication related to bone marrow You should talk to your doctor about the above conditions before getting B12 injections

In arriving at our criteria we consulted three standard textbooks of medicine (Alstead, Davidson and Price), a consultant haematologist, the librarian at the Royal College of General Practitioners, and the Monthly Index of Medical Specialities

Except your dose was supposed to increase to 4mg at week 5, which means 80 units from the same vial