Turmeric (Curcuma longa) has been used for centuries in traditional medicine, particularly in Ayurveda, Traditional Chinese Medicine (TCM), and Unani medicine. In recent years, modern pharmacological research has validated many of its traditional uses, leading to its incorporation into modern drug formulations, nutraceuticals, and cosmetics. This review explores the historical significance of turmeric in traditional medicine and compares it with its modern applications, focusing on pharmacological properties, clinical research, bioavailability challenges, and future prospect Turmeric (Curcuma longa) has been used for centuries in traditional medicine, particularly in Ayurveda, Traditional Chinese Medicine (TCM), and Unani medicine. In recent years, modern pharmacological research has validated many of its traditional uses, leading to its incorporation into modern drug formulations, nutraceuticals, and cosmetics. This review explores the historical significance of turmeric in traditional medicine and compares it with its modern applications, focusing on pharmacological properties, clinical research, bioavailability challenges, and future prospects.