Clinical Research Directory

Inclusion Criteria: * 18-65 years old * BMI:18.5-29.9 kg/m2 * Self-reported regular defecations defined as at least every second day * Willing to collect urine and stool samples at home and able to temporarily store them in their own freezer in a provided container * Willing to exclusively eat the food provided * Owning a smartphone (iOS 11.0 and onwards, or Android 5.0 and onwards) with access to the internet * Speak and understand Danish or English Exclusion Criteria: * Current pregnancy or lactation * Following a specific dietary program or diet (e.g., vegetarian, vegan, gluten-free) or unable to consume the food provided * Diagnosis of small intestinal bacterial overgrowth (SIBO), inflammatory bowel diseases (IBD), gastrointestinal obstruction, or ischemic colitis * Diagnosed chronic constipation * Regular use of diarrhea inhibitors or laxatives * Any chronic disease that can affect the outcomes of the study * Use of medications potentially altering gastric pH (proton pump inhibitors, histamine receptor antagonists, antacids) * Use of medications potentially altering the gastro-intestinal motility (prokinetics, antiemetic agents, anticholinergic agents, narcotic analgesics, nonsteroidal anti-inflammatory drugs, peroral glucocorticoids, and GLP-1 related medications such as semaglutide and liraglutide) * Use of antibiotics, or any medication that can affect any outcomes of the study, within the previous three months * Concurrent participation in another trial * Any condition that makes the project responsible and/or the clinical responsible doubt the feasibility of the volunteer's participation