relationship between thyroid hormones, vitamin D and fasting blood glucose level during summer and winter in nondiabetic adults

ABSTRACT

Background and Aims: 25-hydroxy vitamin D3 is recognized to be an essential element for healthy body; however, its deficiency has been identified as a risk factor for thyroid disease, diabetes mellitus and other autoimmune diseases and infectious diseases. Thyroid disease is common in the general population that its prevalence increases proportional to age. Subjects with poorly controlled diabetes, with or without its complications, may experience some changes in their thyroid function tests. The present study aimed to evaluate the association between thyroid hormones, vitamin D3 and fasting blood glucose [FBS] level during summer and winter in nondiabetic adults