vitamin b12 injections benefits side effects Understanding the B12 Vitamin Shot:

Correct Injection and Mixing Technique Safe injection technique prevents cross contamination during medication handling

Vitamin D deficiency affects an estimated 40 percent of adults and most never know because the symptoms, fatigue, low mood, joint pain, frequent illness, get attributed to other causes

Can you take vitamin D and vitamin B12 together

It is safe to administer both on the same day

It may be that having this regime would have a beneficial impact on your trigeminal neuralgia - neurological symptoms take some time to repair properly and having the loading doses then (I suspect) the 'usual' three monthly jabs may not be sufficient to effect proper neurological repair