Effect of vitamin D supplementation on TSH levels in euthyroid subjects with autoimmune thyroiditis.
Alice VillaAndrea CorselloMarco CintoniGiampaolo PapiAlfredo PontecorviSalvatore Maria CorselloRosa Maria ParagliolaPublished in: Endocrine (2020)
Cholecalciferol supplementation improved thyroid function in euthyroid ATD-pos subjects affected with severe hypovitaminosis D. In particular, a significant reduction in TSH levels was observed in subjects with very low baseline 25OHD levels, after taking high monthly doses of cholecalciferol.