This critical and careful study aimed to gather information on the common formulation(s) found in the following ancient medical texts: the Bower Manuscript (Bower Ms.), Charak Samhita (CS), Susruta Samhita (SS), Astangahrdayam Samhita (AHS) and Ayurvedic Formulary of India (AFI). We found that only one formulation, Kalyanaka ghrita, had the same formula in all the texts. Kalyanaka ghrita was pr...