Effect of Branched-Chain Amino Acid Supplementation Alone or Combined With Tryptophan or Methionine on Appetite Control and Related Health Outcomes in Older Adults: Protocol for a Randomized Controlled Trial

Shulin Zhang   ^{1, 2} , BSc, MND ;   Rosilene Ribeiro   ^{1, 2} , MND, PhD ;   David Raubenheimer   ^{1, 2} , PhD ;   Corinne Caillaud   ^{2, 3} , PhD ;   Jian Tan   ^{2, 4, 5} , PhD ;   Samantha Solon-Biet   ^{1, 2} , PhD ;   Peter A Cistulli   ^{1, 6, 7} , PhD ;   Stephen J Simpson   ^{1, 2} , PhD

¹ School of Life and Environmental Science, Faculty of Science, The University of Sydney, Camperdown, Australia

² Charles Perkins Centre, The University of Sydney, Sydney, Australia

³ School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

⁴ Sydney Medical School Nepean, The University of Sydney, Sydney, Australia

⁵ Nepean Blue Mountains Local Health District, Nepean Hospital, Sydney, Australia

⁶ Faculty of Medicine and Health, Northern Clinical School, University of Sydney, Sydney, Australia

⁷ Department of Respiratory and Sleep Medicine, Royal North Shore Hospital, Sydney, Australia