Ana Paula Aguiar Prudêncio is a current researcher and Ph.D. student at the Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, BR. Education background: Dietitian–Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil (2009); Master of Science in Food Science–Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil (2011). Work experience: Dietitian focusing on Clinical Nutrition in Outpatient Care and Lecturer at Catholic University Center of Santa Catarina, Joinville, SC. BR. Current research interests: obesity, diabetes, bariatric surgery, tryptophan metabolism, and gut microbiota.