Lactoferrin for the Treatment of Symptomatic Uncomplicated Diverticular Disease

Inclusion Criteria: To be included in the trial the patient must: * Have given written informed consent to participate * Age ≥18 and \<65 years * Diagnosis of SUDD defined as the presence of symptoms (mainly abdominal pain, but also constipation, diarrhoea and bloating) in patients with a previous diagnosis of diverticular disease at colonoscopy or imaging in the absence of any current complication (stenoses, abscesses, fistulas) * Women of childbearing potential are required to have a negative pregnancy test at the Baseline Visit (V1) and to use adequate contraception for the duration of the trial and for 14 days after the completion of the trial/last treatment. This includes: * Intrauterine Device * Hormonal based contraception (pill, contraceptive injection or implant etc) * Barrier contraception (condom and occlusive cap e.g. diaphragm or cervical cap with spermicide) * True abstinence (where this is in accordance with the patients preferred and usual lifestyle) * Men are required to use adequate contraception for the entire duration of the trial and for 14 days after the completion of the trial/last treatment. This includes: * Barrier contraception (condom and spermicide) even if female partner(s) are using another method of contraception or are already pregnant (also to protect male partners from exposure to the trial product) * True abstinence (where this is in accordance with the patients preferred and usual lifestyle) Exclusion Criteria: The presence of any of the following will preclude patient inclusion: * Patients diagnosed with irritable bowel syndrome, bacterial and/or parasitic intestinal diseases, inflammatory bowel disease * Female patients who are pregnant or breastfeeding * Use of the following medications: 1. Use of oral or rectal 5-aminosalicylic (5-ASA) 7 days prior to enrollment 2. Use of antibiotics for diverticular disease within the 7 days prior to enrollment 3. Use of probiotics within the 7 days prior to enrollment * Known history of drug or alcohol abuse within the last 3 years prior to enrollment * Any unstable or uncontrolled cardiovascular, pulmonary, hepatic, renal, gastrointestinal, genitourinary, hematological, coagulation, immunological, endocrine/metabolic, or other medical disorder that, in the opinion of the investigator, would confound the study results or compromise patient safety * Any surgical procedure requiring general anesthesia within 30 days prior to enrollment or is planning to undergo major surgery during the study period * Active participation in other interventional or drug research in the study period.