“Understanding Nutrition by Rolfes and Whitney 15th Edition is a comprehensive textbook written by Ellie Whitney and Sharon Rolfes. Published by Cengage Learning in 2018, this revised edition covers a variety of topics within the subject area of health and fitness, focusing specifically on nutrition and diet. With 848 pages and written in English, this hardcover book is a valuable resource for students and professionals interested in the field of nutrition. The textbook is designed to provide a thorough understanding of nutrition principles and guidelines.”