Study of Yili "Changqing" Pro-ABB Yoghurt in the Improvement of Human Gastrointestinal Tract System

Inclusion Criteria:

1. Male or female subjects, 25-45 yrs;

2. Non-specific and/or moderate constipation;

3. Irregular or occasional gastrointestinal disorders (flatulence, gurgling, feelingheavy after eating, abdominal pain);

4. Slow transit or irregular bowels movements (abnormal feces solidity, bowel movementsdecreased, e.g. every 2-3 days or less than 3 times per week).

Exclusion Criteria:

1. Diagnosed as chronic constipation;

2. Treated gastrointestinal symptoms;

3. Lactose Intolerance;

4. Treatment by analgesic such as aspirin and paracetamol;

5. Had laxatives or other remedies to promote digestion 2 weeks prior to the study start;

6. Consuming dairy products or supplements containing pro/pre-biotic 10 days prior to thestudy start;

7. Currently suffering from diarrhea.