Iberogast, also known asSTW5, is a liquid formulation of nineherbsused forfunctional dyspepsiaandirritable bowel syndrome. 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 is also claimed to possessanti-inflammatory,antioxidativeandfree radical–inhibiting properties as well as the ability to reducegastric acidsecretion.
Iberogast is a mixture of extracts from bitter candytuft (Iberis amara), angelica root (Angelicae radix), milk thistle fruit (Silybi mariani fructus), celandine herb (Chelidonium majus), caraway fruit (Carvi fructus), liquorice root (Liquiritiae radix), peppermint herb (Menthae piperitae folium), balm leaf (Melissae folium), and chamomile flower (Matricariae flos).
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