Rejuvenation
Rasayana (Wyl. bcud len)or ‘extracting the essence’ involve special Vajrayana methods for lengthening life, as for practitioners, a long life is important to give the time to accomplish the practices and reach enlightenment. Rasayana consists in methods for extracting the essence from samsara (extracting the essence from the five elements, plants, minerals and so on), and extracting the essence from nirvana, involving practices based on the wind-mind association.