TGA issues alert after person was hospitalised after believing they were taking experimental weight loss drug retatrutideFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastA patient who tore their oesophagus after taking a counterfeit version of an experimental weight loss drug has prompted Australia’s medicines regulator to warn of serious risks of such products.The concern relates to retatrutide, a type of drug known as a peptide.