ABSTRACT
Introduction : Several studies have reported a low Vitamin D status in Autoimmune Thyroid Diseases (AITD), indicating association between Vitamin D deficiency (<20 ng/ml) and thyroid autoimmunity. If supplementation of Vitamin D decreases anti-TPO antibody titres, in future it may become a part of AITDs' treatment, especially in those with Vitamin D insufficiency (21-29 ng/ml) or deficiency. Objectives : Our study aims to assess any potential therapeutic role of Vitamin D in the management of HT. Study Design : It is a randomised, double blind, single centre, placebo-controlled study. Results : Significant negative correlation between Serum anti TPO Antibody and Vitamin D level; statistically significant reduction of anti TPO Antibody titre in intervention group compared to placebo group. Conclusions : Vitamin D can be a therapeutic option in Hashimoto's Thyroiditis.