Nutrition is a complex phenomenon attributed to all living beings. It has many different aspects, the consideration of which is usually divided between completely different experts with different motivations. In the book brought to your attention, the complex phenomenon is considered integratively with the only motivation - to give objective ideas and guidance to navigate in this amazing phenomenon. Very often, nutrition literature imposes on the reader certain recipes/diets, as it were, suitable for all occasions. It is easy to use and convenient for the inexperienced consumer, but unrealistic. It seems to us that the health of each person is the most important for him and understanding the true state of affairs in matters of nutrition deserves certain efforts and knowledge by everyone. In fact, the proposed guide is a personal adviser to everyone to achieve their own goals in life through the right (right for him/her) nutrition. Honest scientifically correct information with minimum specific terminology and without professional jargon.