Effects of the dietary fiber inulin on the stress response
Conditions
Interventions
Group 1: Experimental group: inulin, 2 x 5g / day, for 4 weeks
Group 2: Control group: maltodextrin, 2 x 5g / day, for 4 weeks
Group 3: Experimental condition: stress induced by the Trier Social Stres
Sponsors
Albert-Ludwigs-Universität Freiburg
Eligibility
Sex/Gender
Male
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: Male participants aged 20 to 40 years with a body mass index (BMI) between 18.5 and 27 kg/m² will be included
Exclusion criteria
Exclusion criteria: Participants must have no history of mental or neurological illness, and no acute or chronic physical illness, especially of the gastrointestinal tract. In addition, participants must not be taking any medication, have taken any antibiotic within the last three months, use any drugs, consume alcohol excessively, or smoke. Participants must have sufficient knowledge of German and may not follow a vegetarian or vegan diet.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Self-reported psychological stress response and salivary cortisol. | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate, heart rate variability, blood pressure Cognitive and social performance Well-being, sleep quality Quantity & taste evaluation of snacks consumed | — |
Countries
Germany
Contacts
Public ContactJohanna Brustkern
Abteilung für Biologische und Differentielle Psychologie, Institut für Psychologie, Universität Freiburg
Outcome results
None listed