The average rating for large-size Iberogast on Amazon.com is four out of five stars, with 58 percent of reviewers rating the product five stars. On ProductReview.com.au, Flordis Iberogast has a five-star rating. These reviews display generally positive reactions to the Iberogast product.
Many positive reviews on Amazon mention trying many other medications for irritable bowel syndrome or other gastrointestinal issues to no avail; Iberogast was the first medication to actually help many reviewers. Several reviews on both Amazon.com and ProductReview.com.au cite the product as working quickly, in as little as 20 minutes.
However, some negative reviews on Amazon.com state that the product did nothing for the reviewers even after taking it for an extended amount of time. One reviewer even remarks that his gastrointestinal issues became worse.