Assessment of Vitamin D Level in Autoimmune Thyroiditis Patients and a Control Group in the Polish Population Background. Vitamin D, known for its role in calcium-phosphorus homeostasis, is also a significant immunomodulatory factor. Vitamin D deficiency has been reported in some autoimmune disorders. Recently, vitamin D level in autoimmune thyroiditis (HT – Hashimoto’s thyroiditis) has become the subject of researchers’ interest....
