Rubus Sanctus (Wild Blackberry) Root Extract as a Dietary Supplement for Graves' Disease

Patients in the intervention group will receive a Rubus Sanctus root extract, which they will consume with breakfast for 8 weeks. The tea will be packaged as 5 grams of Rubus Sanctus root and steeped in 200 ml of water at 80°C for 5 minutes. Participants in the intervention group will receive the Rubus Sanctus root tea along with the necessary equipment (a 200 ml beaker and thermometer). Measurements of TSH, T4, T3, anti-TPO, anti-TG, TSH receptor antibodies, liver function tests, thyroid parenchymal echogenicity, and thyroid volume will be taken at the Endocrinology and Metabolic Diseases Clinic of Muğla Training and Research Hospital before and after the study.

Patients with Graves' disease assigned to the control group will be asked to consume black tea (Camellia sinensis) with their breakfast for 8 weeks. Black tea is a product consumed almost daily in Turkish society. Black tea will be prepared in 5-g doses and steeped in 200 ml of water at 80°C for 5 minutes. Participants in the control group will be provided with black tea bags along with the necessary equipment (a 200 ml beaker and thermometer). TSH, T4, T3, anti-TPO, anti-TG, TSH receptor antibody, liver function tests, thyroid parenchymal echogenicity, and thyroid volume will be obtained before and after the study at the Endocrinology and Metabolic Diseases Clinic of Muğla Training and Research Hospital.