SPORTS SUPPLEMENTS: QuercetinWilliams, Melvin H. Ph.D., FACSMACSM's Health & Fitness Journal: September/October 2011 - Volume 15 - Issue 5 - p 17–20 doi: 10.1249/FIT.0b013e318229cbe6 Features Abstract In Brief Author Information LEARNING OBJECTIVES • To learn the proposed mechanisms as to how quercetin supplementation is theorized to benefit physically active individuals. • To learn the effect quercetin supplementation may have on exercise performance in physically trained as well as physically untrained individuals. Quercetin is a phytonutrient with antioxidant, anti-inflammatory, and other properties that may be theorized to help prevent some adverse effects of intense exercise training and to enhance aerobic endurance exercise performance. Find out more about its effects on exercise performance in both physically trained and untrained individuals. Melvin H. Williams, Ph.D., FACSM, is an eminent scholar emeritus in the Department of Human Movement Sciences at Old Dominion University. His research with various performance-enhancement strategies has spanned 45 years. His textbook on nutrition, health, and sports is in process for the 10th edition. Disclosure: Author declares no conflicts of interest. © 2011 American College of Sports Medicine.