Hello Ma'am,
Well, any iodised salt will do. No big deal.
But for your
thyroid issue you can have this medicine,
* कांचनार गुग्गुळ - 1 tablet twice a day.
It's a very well known Ayurvedic Medicine.
100% herbal. With NO side effects.
It helps to improve thyroid function.
I would be able to guide you well if you could share some more details and lab reports.
Thank you..!