RecruitingDietary supplementEffectiveness of Oral Magnesium Supplementation in Fibromyalgia Patients Not Responding to Standard TreatmentFibromyalgia is a complex widespread pain disorder. OBJECTIVES To evaluate the effectiveness of oral magnesium supplementation in reducing symptom severity among fibromyalgia patients who have not responded to standard treatment, using validated scoring systems such as the Fibromyalgia Impact Questionnaire Revised (FIQR).