To investigate the signs and symptoms of intestinal dysbiosis and its relationship with weight loss (% WBS) and postoperative time in Bariatric patients. METHOD: Cross-sectional observational study. Stories - patients with surgical time 2 to 7 years attended at the Nutrition outpatient clinic of a Public Hospital. To verify the possible presence of intestinal dysbiosis, the metabolic tracking questionnaire (QRM) and the Bristol Scale will be applied. RESULT: 44 female patients without comorbidities were chosen. Group I (Success) with N.31 and Group II (Failure) with N.13. There was no statistical difference between the groups regarding the QRM and Bristol Scale in the pre- or postoperative period.