I'm also aware that for some of the things you've raised, (and that I'll just touch on just briefly) advice has been given on other fora , for instant Thyroid UK (by Marz et al) - and that advice was very good (lovely thyroid folks) so I'll echo that briefly simply to put it in contex with your questions here
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View image online ( vitamin b12 shot in foreground with vials in background When you think of vitamins, what comes to mind
Less commonly, the pain can also present in other areas innervated (supplied with nerves) by the trigeminal nerve, such as the lips, teeth, gums, or forehead
Low energy, slow metabolism, brain fog, and stubborn weight gain can sometimes be connected to vitamin deficiencies or poor nutrient absorption