hard stools, tendency to constipation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Healthy subjects - Hard stools defined by Bristol Stool Form Scale (category 1 to =2) - Omnivore diet - Age: 18 - 80 years - All genders - BMI (kg/m²): 18,5 - 34.9 - non-Smoker
Exclusion criteria
Exclusion criteria: - Subjects with stool consistency =3 (Bristol Stool Form Scale) - Presence of acute/ chronic diseases - Clinical diagnosed diseases with relevant effect on the gastrointestinal system or on visceral motility, such as: coeliac disease, inflammatory bowel disease (Crohn's disease, ulcerative colitis), irritable bowel disease diagnosed according to Rome III criteria with diarrhea-predominant type, irritable bowel syndrome diagnosed according to Rome IV criteria (highest level according to IBS-SSS), relevant bowel resections including short bowel syndrome - Relevant history, presence of any medical disorder or chronic intake of medication/dietary supplements potentially interfering with this trial - Regular intake of prebiotics or products claimed as “prebiotic”, “probiotic”, dietary fibres supplements and laxatives (medicinal drugs to promote intestinal transit) during the study - Vegan, vegetarian diet - Strongly atypical or restrictive diets/concepts followed voluntarily (macrobiotics, paleo diet, Atkins diet, Mayo diet, Insticto diet) or due to food intolerances/food allergies - Average daily alcohol consumption > 10 g for women and > 20 g for men, consideration of alcohol abuse - Athletes (extensive physical activity) - Current use of antibiotics - Willingness to discontinue laxatives approved as medicines - Simultaneous participation in other studies that are associated with drug use and have a potentially significant impact on body composition or dietary behaviour - Lactation, pregnancy, planned pregnancies that interfere with the study period
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Bristol Stool Form Scale (BSFS) | — |
Secondary
| Measure | Time frame |
|---|---|
| - Number of bowel movements - PAC-SYM (constipation-related symptom questionnaire, Likert-scale 0-4) - PAC-QoL (constipation constipation-related quality of life questionnaire, Likert-scale 1-5) - Gut microbiota composition | — |
Countries
Germany
Contacts
Hochschule Neubrandenburg – University of Applied Sciences, Institut für evidenz-basierte Diätetik (NIED)