“…To improve the quality of life in patients with SSc is important to develop some strategies toward general SSc self-management, better handling with emotional distress, managing body image distress, physical and occupational therapy for hands, fatigue and energy management, as well as managing sleep and sexual function problems [8]. Dietary interventions, like iron and vitamin D supplementation, didn't interfere with psychological assessment or quality of life [58]. Although, a systematic review highlights that experimental studies in humans indicate beneficial effects of vitamin D supplementation in reducing the severity of disease activity, variability in administration may reduce its positive effects and the dose of hormone supplied in some trials may be insufficient to control the autoimmune aggression or to prevent the onset of disease [59].…”