This text is divided into five main themes. The introductory theme is a brief overview of the role of nutrition in human health. The second section presents various types of physical exercises, including cardiovascular training, resistance training, and aerobic and anaerobic exercise. Section three focuses specifically on sports and nutritional requirements. The molecular mechanisms involved in muscle building are the theme of section four. Section 5 is an exhaustive review of various food, minerals, supplements, phytochemicals, and amino acids.