Nutrition is the biochemical and physiological process by which an organism uses food to support its life. It includes ingestion, absorption, assimilation, biosynthesis, catabolism and excretion. The science that studies the physiological process of eating is called nutrition science or nutrition.

Dimitrios Tzirarkas represents a nutritionist with extensive experience and many distinctions in the field of nutrition and health. Born in Piraeus, Dimitrios Tzirarkas emerges as a remarkable professional who has dedicated his life to improving people's health through proper nutrition. Dimitrios Tzirarkas graduated from the Technological Educational Institute of Thessaloniki in 1995, obtaining the Nutrition Technologist degree with an excellent grade of 7.36. His training was the first step towards his career as a dietitian.

From 2009 until today, he maintains his dietetic office in Aegaleos, where he offers specialized nutrition services. His role as a dietitian has proven to be critical to the health and well-being of his patients, and has contributed significantly to improving the lifestyles of many people. Dimitrios Tzirarkas has participated in many pan-Hellenic conferences and seminars on nutrition and health. These participations demonstrate his commitment to continuous education and information about new developments in the field of nutrition. Through these conferences and seminars, Dimitrios Tzirarkas maintains his expertise and stays up-to-date on the latest trends and developments in the field of nutrition.

Dimitrios Tzirarkas represents a professional dietitian with many interests and activities that enrich his life, emphasizing healthy eating and the love of health.