A review on Chaturvidha Rasayana

The Rasashaastra literally means the “Science of Mercury”. It is a specialized branch of Ayurveda mainly delaying  with materials which are known as ‘Rasa Dravyas’. Generally, these Dravyas are classified in to four different classes named - Rasa, Dhaatu, Ratna and Visha. The class of ‘Rasa’ is predominantly possessing Rasaayana. Rasa Kalpas popular because of lesser dosage and quickness in action. Rasaoushdhis are mercurial compound. Specific qualities of Rasaoushadhi are the various substances are used in formulation they are converted in to micro size. Due to metal, mineral presence in formulations they are more efficacious and quick acting in small dose. Rasaoushdhi show their therapeutic and Rasayana efficacy. Shelf life of Rasaoushdhi is more. Rasaoushdhi when used internally in accurate dosage and regime have proved effective in curing many diseases condition and help to promoting life and health. Rasaoushdhis are also improve immunity and prevent onset of disease