Amruta Jagdish Rajenimbalkar, Shreya Avinash Jankar, Vaishali Shripad Balwande and Ravindra S. Dhimdhime 2025. Oja: the essence of vitality in Ayurveda — a review of classical concepts, physiological correlates, and clinical significance. Ayurlog: National Journal of Research in Ayurved Science. 13, 04 (Nov. 2025). DOI:https://doi.org/10.52482/ayurlog.v13i04.1335.