Healthy
Conditions
Keywords
freshman, vegan, vegetarian, omnivore, microbiome, meal frequency, meal timing, freshman weight gain, metabolome
Brief summary
Aim of the study is to evaluate the impact of a vegan vs. vegetarian dietary pattern compared to an omnivore diet on body weight, saliva and stool microbiome profiles, as well as saliva, urine and plasma metabolome profile changes in freshmen after the first year at university/college.
Interventions
observation of dietary patterns, body weight status, microbiome and metabolome profiles at the start of the first semester
OTHERcross-sectional follow-up observation
follow-up observation of dietary patterns, body weight status,microbiome and metabolome profiles after one year
Sponsors
University of Kiel
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 25 Years
Healthy volunteers
Yes
Inclusion criteria
* freshman * following a vegan / vegetarian / omnivore dietary pattern for at least 3 months * own a smartphone (including internet access and camera)
Exclusion criteria
* regular use of medication (excluding oral contraceptiva) * use of antibiotics in the last 6 weeks * chronic disease, especially gut diseases * following a vegan / vegetarian / omnivore dietary pattern for less then 3 months * no clear assignment of vegan / vegetarian / omnivore dietary pattern * electrical implants
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| change in body weight | one year | change in body weight |
| change in fat mass | one year | change in body composition |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| saliva metabolome | one year | changes in saliva metabolome |
| gut microbiome | one year | changes in gut microbiome |
Countries
Germany
Contacts
CONTACTAnja Bosy-Westphal, PhD, MD
PRINCIPAL_INVESTIGATORAnja Bosy-Westphal, PhD, MD
Institute of Human Nutrition, Kiel University
Outcome results
None listed