The fundamental problem in the field of human nutrition puts more and more emphasis on the prophylactic role of nutrition in ensuring health and especially to avoid metabolic imbalances that may occur in the body. Nutrient substances found in food must be utilized according to the physiological requirements of the body, its real needs based on the balanced metabolic balance. It is necessary to know the optimal ration and the consequences of an inadequate intake for each food. Such nutrition must be achieved with the help of reason and science. The objective of contemporary nutrition should be to preserve health. The harmony between the physical, psychic and mental is the key to maintaining health and balance in life. The fundamental problem in the field of human nutrition puts more and more emphasis on the prophylactic role of nutrition in ensuring health and especially to avoid metabolic imbalances that may occur in the body. Nutrient substances found in food must be utilized according to the physiological requirements of the body, its real needs based on the balanced metabolic balance. It is necessary to know the optimal ration and the consequences of an inadequate intake for each food. Such nutrition must be achieved with the help of reason and science. The objective of contemporary nutrition should be to preserve health. The harmony between the physical, psychic and mental is the key to maintaining health and balance in life.
Keywords: human nutrition; preserve health; optimal ration; prophylactic role; metabolic disorders.