It is probably that vitamin D may play an important role in the pathogenesis of Hashimoto's disease. Previous studies have shown a higher incidence of vitamin D deficiencies in patients with Hashimoto's disease compared to healthy subjects. Probably the severity of Hashimoto's disease may affect serum 25-hydroxycholecalciferol (25(OH)D) concentrations. In addition, a negative correlation between serum 25(OH)D concentrations and the level of antithyroid antibodies was observed. Moreover, vitamin D supplementation seems to be effective in reducing the levels of thyroid peroxidase (TPO) antibodies both in patients with deficiency and with normal concentrations of vitamin D. However, further studies are needed to more accurately determine the effect of vitamin D supplementation on the Hashimoto's disease.
Keywords: Hashimoto’s disease; autoimmune thyroiditis; cholecalciferol; vitamin D.
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