Interactions Between Diet, Microbiome and Abiotic Conditions in the Gut

Inclusion Criteria: * 18.5-30.0 kg/m2 BMI * Willing to daily collect a urine and stool sample at home and able to store them in their own freezer in a provided containers throughout the 9-days trial * Willing to eat sweet corn and report corn-intestinal transit time questionnaire * Willing to record 9 days dietary intake and defecation pattern * Willing to have blood samples drawn two times * Owns a device with access to the internet and is willing to use myfood24 platform * Known ability to tolerate paracetamol and willing to consume ½ paracetamol tablet dissolved in water (250mg) * Willing to eat rye bread, butter, jam, egg, yoghurt, berries and nuts Exclusion Criteria: * Any condition that makes the project responsible researcher to doubt the feasibility of the volunteer´s participation * Pregnant or lactating women * Suffering from inflammatory bowel syndrome (IBS), small intestinal bacterial overgrowth (SIBO) or inflammatory bowel diseases (IBD) * Intake of antibiotics, diarrhea inhibitors and laxatives ˂ 1month * Current chronic or infectious diseases * Diagnosis of diabetes * History of cancer within the past 5 years (except adequately-treated localized basal cell skin cancer or in situ uterine cervical cancer) * Frequent intake of painkillers or other medication (mild antidepressants and contraceptive pills are allowed) * Concurrent participation in another trial Additional exclusion criteria for the SmartPill sub-study: * Intake of medications potentially alteri…