The strategy of human existence begins with issues of nutrition, which is a means of implementing a certain life program. A person’s transition from casual eating to reasonable nutrition transforms the currently dominant consumer attitude towards life into a creative one. From the book one can glean specific advice on building a balanced diet, and the reader has the right to choose depending on the subjective preferences and needs of the body. It is important that the ethical component is placed at the forefront, postulating moderation, physiology, compliance with traditions, even down to certain centuries-old food rituals inherent in the national character. Rational nutrition, promoted in this manual, is not only instructions on how to maintain health, reduce the harmful effects of all negative factors related to food, but also a way of individual development that expands a person’s capabilities for successful functioning in society.