"...changes in society, and in the provision of healthcare services, should also be borne in mind. One which is particularly relevant in the present context is that it has become far easier, and far more common, for members of the public to obtain information about symptoms, investigations, treatment options, risks and side-effects via such media as the internet (where, although the information available is of variable quality, reliable sources of information can readily be found), patient support groups, and leaflets issued by healthcare institutions. The labelling of pharmaceutical products and the provision of information sheets is a further example, which is of particular significance because it is required by laws premised on the ability of the citizen to comprehend the information provided.
It would therefore be a mistake to view patients as uninformed, incapable of understanding medical matters, or wholly dependent upon a flow of information from doctors.
The idea that patients were medically uninformed and incapable of understanding medical matters was always a questionable generalisation, as Lord Diplock implicitly acknowledged by making an exception for highly educated men of experience. To make it the default assumption on which the law is to be based is now manifestly untenable."
paragraph 76 Montgomery v Lanarkshire Health Board 2015. bailii.org/uk/cases/UKSC/20...
So please don't feel awkward, self conscious or intimidated when advising a doctor of your findings on the internet or from Thyroid UK and how you wish to proceed. The law and the Supreme Court support you.