For example, B12 shots of 25-50 mg doses (nearly a whole monthly vial of ours) have been used to treat cyanide poisoning, neuropathy, and ALS
Patients commonly report deeper, more restorative sleep within the first two to four weeks
In addition to the sudden, sharp paroxysmal attacks, patients often experience a persistent background pain between episodes, which is typically described as a continuous burning, aching, or throbbing sensation
Vegans and vegetarians also tend to be deficient in vitamin B-12
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