Iberogast, also known as STW 5, is a prokinetic liquid formulation of nine herbs indicated for Irritable Bowel Syndrome (IBS) and dyspepsia. A proprietary blend, it was developed in Germany in 1961 and is available (without prescription) in other countries. Named after the genus (Iberis) of one of its ingredients, it has been the subject of several clinical studies on its effect on the intestine.^[1] It has been shown to ameliorate symptoms of IBS and dyspepsia by improving motility via increased fundic accommodation and increased tonicity (Wikipedia).
Iberogast is Europe's #1 product for supporting the digestive system. Iberogast is a unique herbal combination which has been prescribed by gastroenterologists and naturopaths for over 40 years. More than a dozen clinical studies have shown Iberogast achieves dramatic results by helping promote normal digestion. More than 16 clinical studies have been performed on Iberogast's effects on digestive function.

Iberogast is helpful if you experience any of the following:
irregular bowel function, bloating, abdominal pain, cramping, diarrhea, constipation, heartburn, nausea, bloating, cramping and stomach pain, Iberogast is also used for IBS, Dyspepsia and GERD.