Inclusion Criteria:  • Patients suffering from non segmental vitiligo.  Patients not on medical treatment or phototherapy for vitiligo in the last 3 months.  Exclusion Criteria:  • Patients with systemic or cutaneous inflammatory disorders.  Patients on treatment for vitiligo in last 3 months. Pregnant and lactating patients. Patients with history of diabetes. Patients with history of autoimmune diseases.