Antioxidant-rich fruits and vegetables: Blueberries, tomatoes, bell peppers, and other foods rich in antioxidants can improve overall health and benefit the thyroid gland. Eating foods high in B vitamins, like whole grains, may also help.
Selenium: Tiny amounts of selenium are needed for enzymes that make thyroid hormones to work properly. Eating selenium-rich foods, such as sunflower seeds or Brazil nuts, can be beneficial.
Tyrosine: This amino acid is used by the thyroid gland to produce T3 and T4. Taking a supplement may help,
you can change dose of your medicines....tab. thyrox 50 mcg.
do x ray
of c-spine for find cause of swelling
also vit.D and vit.B12 tests.