Simhanada Guggulu is a classical Ayurvedic formulation mentioned in Bhaishajya Ratnavali for the treatment of Amavata (rheumatoid arthritis). It contains Triphala, Sudha Gandhaka, Sudha Guggulu, and Eranda taila. It can be prepared by mixing the ingredients into a thick paste or tablets. Simhanada Guggulu works by reducing vata, kapha, and ama via its katu, tikta, and ushna properties. It also has antioxidant, anti-inflammatory, and detoxifying effects useful for treating rheumatoid arthritis and other joint conditions. Common manufacturers of Simhanada Guggulu include