normal b12 injection dose Vitamin Dosages: Your GoodRx Guide B12 Injection Dosage and Frequency:

You can double check it with the handy calculator at the very top of this page

Here are some key points to consider: Variable Results: The effectiveness of B12 and Lipo injections can differ significantly from one person to another

Can I administer B12 injections if Im not a nurse or doctor

And if you dont, you probably should

Here's the TL;DR on vitamin timing: while there is no official medical advice dictating that you should take vitamin supplements at a specific time of day to improve their efficiency, there is quite a lot of research showing that avoiding some vitamin supplements at particular times (or more accurately, with particular meals) can improve absorption, or that taking some vitamins alongside food can reduce the risk of adverse side effects