RASAYANA: TRANSCENDING AGE

Abstract

The concept of 'Rasayana' was among the Astangayurveda as evident from Ayurvedic texts which serves the principle "Swasthasya swasthya rakshanum aaturasaya vikara prashmanum ch" as advocated by both Acharya Charaka and Sushruta when they stated the aim of Ayurveda. Further, acharya Sushruta defines Rasayana Tantra as "Rasayantantrum nama vayasthapanam ayurmedhabalkaram rogaapharansamartham ch" which means, the branch of Astangaayurveda where all types of methods which maintains longevity, enhance intelligence and mental strength, and increase immunity against various disorders. The word Rasayana is composed of two words "Ras" and "Ayana" which refers to nutritional essence and its transportation throughout the body for its efficient assimilation into the body. Also, Rasayana use increases the essence of each Dhatu by acting as a source of vital nutritional supplement. Being naturally rich in antioxidants Rasayanas increase the immunity of a person which keeps him away from opportunistic diseases. Above all the rejuvenating properties of Rasayanas are held in high esteem in Ayurvedic texts which are capable of not only keeping aging at bay but have also proved very effective as supportive therapy in many chronic diseases and as adjuvant to chemotherapy. A number of herbs have been ascribed with properties of Rasayana in Ayurvedic literature as Guduchi, Triphala, Madhuyashti, Shankhpushpi, Jyotishmati, Brahmi, Mandookparni etc. The use of these herbs as Rasayana transcends ages, for Rasayanas have been described for all age groups in Ayurveda. The aim of this review paper is to bring into light certain such herbs which since time immemorial have been employed as Rasayanas and hold promise in today's health scenario more than ever.