do you need a prescription for b12 injections Vitamin shots: Uses, benefits, and side effects Where to Get B12 Shots:

Bhasin A, et al

How long does a B12 injection last

Quality Control Pharmacist checking quality control of drugs- Picture Courtesy: ppd.com Now, the final filtered mixture is tested through various quality tests

Please don't worry...this is something that can be worked through (with evidence) and I'll try to help you gain enough information to make an informed decision about what you want to do and how you want to proceed, whether this means approaching your GP for more frequent injections, or topping up with your own B12 injections in between ones prescribed by the surgery (many people here choose - or are forced - to do that)