Xi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences Edition ISSN (Online): 1673-064X E-Publication: Online Open Access Vol:69 Issue:02:2026 EFFECT OF EMPIRICAL VITAMIN D SUPPLEMENTATION ON THYROIDSTIMULATING HORMONE LEVELS IN TREATMENT-NAÏVE PATIENTS WITH SUBCLINICAL HYPOTHYROIDISM Dr. SAJJAD AHMAD, Dr. GOHAR KHAN, Dr. RIMSHA AZHAR, Dr. WAGMA, Dr. SAIRA BASHIR, Dr. AMINA ZULFIQAR DOI:10.5281/zenodo.18514454