Assoc. Prof. Dr. Sareena Hanim Hamzah is a distinguished academic at the Faculty of Sports and Exercise Science, Universiti Malaya (UM), Malaysia, specializing in sports nutrition and exercise biochemistry. Her research explores the intersection of nutrition and physical performance, with a focus on the effects of macronutrients on exercise energy metabolism and athletic performance, strategies for body weight management, and the role of natural products in enhancing antioxidant activity and reducing oxidative stress.