In metabolism a nutrient pool refers to the readily available reserves of nutrients like carbohydrates, proteins and fats that the body can draw up for energy and other metabolic processes. In ayurveda nutrient pool can be correlated to ahara rasa. Ahara rasa denotes Sara portion of food thatnourishes dhatus. Dhatus are structural elements of the body which are vested with the function of nourishing the body. The formation and nourishment of dhatu is a continuous process from the embryonic stage of the foetus to death. The theories which explain the formation of dhatus is known as dhatu poshana Nyaya. Dhatu poshananyayas are KsheeraDadhi Nyaya, Khale Kapota Nyaya, Kedari Kulya nyayaand Ek Kaal Dhatu Poshan Nyaya . In modern dhatu poshana can be correlated to metabolism. This review is an attempt to explore the Ayurveda’s view on nutrient pool with reference to ksheeradadhi Nyaya. The term metabolism of a food substance is meant by a series of specific biochemical reactions occurring within the living organism from the time of its incorporation into the cell or tissue till its excretion, of which some are concerned with tissue synthesis termed as anabolism and others with tissue breakdown termed as catabolism .The same explanation is elaborated in Ayurveda classics by various Acharyas on Dhatu Poshana.Classical concept of KsheeradadhiNyaya can be related to different physiological processes described in metabolic transformations of food.
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