Certain foods and certain temperatures of foods seem to trigger attacks in some people, so you may want to consider avoiding things such as:
Caffeine.
Citrus fruits and bananas.
High-sugar foods.
Hot, cold or spicy foods.
Junk foods and highly-processed foods.
Knowing what foods can trigger trigeminal neuralgia symptoms can help you avoid flareups.
In general, it’s important to eat healthy meals and, if you’re having problems chewing, make sure you either eat mushy foods or blend up your meals.
Note too that while there isn’t a vitamin that’s been proven to mitigate symptoms, vitamin B12 has been found to be a pharmacological useful tool for patients with neuropathic pain.