Rejuvenative tonics (rasayana karma)
Rejuvenative tonics aim at the constant renewal of both body and mind, keeping them fresh and clear throughout life. Rejuvenative tonics substances rebuild the body-mind, prevent derangement and postpone aging. In certain situations the may even help reverse the aging process. They do not simply add to the quantity of the body, but increase its quality. Rejuvenative tonics are more subtle, more specific, and more lasting than simple nutritive tonics. Their action sustains the optimal form and function of the various organs, tissues and functions of the body. They are not necessarily sweet and nutritive, although most have a nourishing post digestive effect. Rejuvenative tonics for Kapha may be pungent, hot and drying, qualities that are not nutritive, but nonetheless rejuvenative for Kapha.
Rejuvenative tonics restore and enhance the Essence of life, the basis for clarity of perception, physical strength, endurance, and longevity of the tissues.
Typical rejuvenative tonics for Vata: ashwagandha, ginseng, garlic, bala, angelica, goksura, licorice, rehmannia, sesame seeds
For Pitta: Shatavari, amalaki, aloe vera, comfrey root, gotu kola, manjistha, marshmallow
For Kapha: Pippali, guggul, elecampane