Before revision: Origin The development of rasashastra as a stream of classical Ayurveda is credited to 5th century Buddhist philosopher Nāgārjuna Jain Digambara Jain Kalyāṇakāraka is the earliest medical work to contain alchemical content.
After revision: Origin The Jain Digambara Jain Kalyāṇakāraka is the earliest medical work to contain alchemical content.