Effect of Bifidobacterium Lactis HN019 on Colonic Transit Time and Digestive Symptoms

Inclusion Criteria: * healthy males and females aged 25 to 65 years * stool type 2-4 on the Bristol Stool Chart * 1 to 3 bowel movements per week Exclusion Criteria: * use of any probiotic product intended to improve gastrointestinal function within the 2 weeks preceding study entry * major chronic and uncontrolled systemic medical conditions * severe gastrointestinal conditions known to prolong CTT * lactose intolerance * chronic diarrhea * gastric bypass surgery or lap band insertion for weight loss * regular laxative use * pregnant or breast-feeding women