Educational medium is a textbook on «Nutrition Physiology» discipline, compiled in accordance with the existing State educational standard of higher education and master's curriculum for the direction «Biotechnology». Structure fundamentals, properties of chemical food components, their transformations and food sources are stated in a short and laconic form. Issues, connected with the requirements to high quality nutrition in solving a problem of providing people with biologically adequate food and keeping homeostasis, are considered. Systematic material stating, disclosing main notions and principal scientific points of the course, allows using this medium to prepare for classes and for passing end-of-term test in the discipline.