Irritable bowel syndrome (IBS) causes many symptoms, including abdominal pain, irregular bowel movements and bloating. It may be caused by loe degree inflammation of the intestine. The ingredients of coltect which contains green tea, selenium, and curcumin have been proven very safe and have anti inflammatory and anti oxidant activity. The aim of the study is to see whether the use of Coltect can improve symptoms in IBS patients.

The etiology of Irritable bowel syndrome is unknown but some evidence suggests it may be caused by a certain degree of inflammation, another theory is that intestinal flora has an influence on IBS. Coltect combines 3 ingredients: green tea, selenium and curcumin, all of which have been shown to have anti inflammatory and anti oxidant activity. the aim of the study is to investigate if use of coltect can improve symptoms in IBS patients

Inclusion Criteria:

• IBS as defined by the Rome III criteria
• for those above age 40 a colonoscopy within the last 5 years
• no new treatment in the last 2 weeks
• not receiving any antibiotics in the last 2 weeks

Exclusion Criteria:

• any large abdominal operation (such as colectomy) in the past
• a known disease of the gastrointestinal tract
• any significant debilitating disease such as sever heart failure, un controlled diabetes,