Inclusion Criteria:  BMI 26.0 - 29,99 kg/m2 18-45 years old Willingness to lose weight  Exclusion Criteria:  Active weight loss in the last three months The desire for or planned pregnancy upcoming months Chronic somatic diseases that may affect metabolic and/or intestinal function (e.g. diabetes, hypertension, dyslipidemia, Irritable Bowel Disorder (IBD), gluten intolerance, pancreatic dysfunction, other causes of malabsorption, neoplastic disease) Allergies with previous anaphylactic reactions Abdominal surgery six months prior to inclusion Current or history of eating disorders Extreme or unusual diets for the last three months, which the investigator considers could negatively affect the outcome of the study Psychiatric disorders (e.g., schizophrenia, and other diagnoses that may influence compliance) Drug or alcohol abuse Continuous oral pharmacological treatment and other types of pharmacological treatment that may influence the study Present or recent usage of other probiotic agents Other conditions which the investigator considers could negatively affect the outcome of the study or study compliance