The college students to find difficult to understand the subject taught to mainly due to understand standard references. While preparing this "THE REFERENCE BOOK OF CLINICAL NUTRITION" (A Revised Syllabus based on Periyar University) has been prepared to serve the special reference of college students. This book explains the advanced Research in Clinical nutrition in a simplified manner. This reference book can be used for UG and PG zoology students, who are looking for a quick revision before the semester Examination. This book has been written to students and preparatory the field of Medical Nutrition& Diet, no such book which cover suitable picture with needed explanation, General principles of Clinical Nutrition studies and create awareness to public and practice.