Gastrointestinal benefit of dairy ingredients to prevent symptoms of gut infection in healthy adult subjects

INTERVENTION: During 4 weeks, subjects will receive either placebo (control protein product, 23 g/dose twice daily), high dose minimally processed milk product (23 g/dose twice daily) or low dose minimally processed milk product (11 g/dose twice daily) CONDITION: Enterotoxigenic E. coli Gut infections Diarrhea Dairy ingredients Enterotoxische E. coli Darm infecties Diarree Zuivel ingredienten PRIMARY OUTCOME: Main study parameters:; ‐Stool frequency: number of stools per; day, recorded in online diary; ‐ Diarrhea complaints as measured by GSRS questionnaire (Gastro‐intestinal Symptom Rating Scale, domain diarrhea), recorded in online diary; SECONDARY OUTCOME: Secondary parameter: ; ‐ Stool consistency as measured by Bristol Stool Score (BSS, scale 1‐7, recorded in ; online diary) INCLUSION CRITERIA: 1. Male 2. Age between 18 and 55 years. 3. BMI ≥18.5 and ≤30.0 kg/m2. 4. Healthy as assessed by the NIZO food research medical questionnaire.