A 46-year-old man died of a perforated oesophagus after consuming the plant-based psychedelic ayahuasca and frog-based poison kambo at a retreat in northern NSW two years ago, an inquest has heard. 

NSW Coroner Teresa O’Sullivan is investigating whether excessive vomiting after consuming the two alternative medicine substances caused the perforated oesophagus that lead to the death of Jarrad Antonovich.

Kambo — banned by the TGA back in 2021 — is scraped off the back of a live frog with a stick and ingested by individuals to ‘purge’ themselves by vomiting, the inquest heard.

A retreat participant and self-described psychic, Dominique Vollaers, told the court she first became concerned because Mr Antonovich had not vomited earlier after ingesting the substances.