Endocrine Abstracts

Background: Vitamin D deficiency has been proposed to play a role in development and course of Graves’ disease (GD). Muscle weakness and fatigue are shared features of GD and vitamin D deficiency. We aimed to investigate whether vitamin D supplementation would improve restoration of muscle performance and thyroid-related quality of life (QoL) in GD.Methods: In a double-blinded clinical trial, hyperthyroid patients with a first time diagnosis of GD w...