Three people have been charged over the death of a 43-year-old man on the Gold Coast , which police allege was an assisted suicide.

The coroner referred the Hope Island man's death to police after a post-mortem found he died from acute pentobarbitone toxicity, a veterinary euthanasia drug.

A lengthy investigation into the man's health, care and treatment in the period leading up to his death on April 11 has resulted in police charging a 53-year-old Main Beach man with supplying the 43-year-old with a drug for the purpose of ending his life.

The drug is listed as a schedule two substance under the Drugs Misuse Regulation 1987.

Detective Inspector Mark Mooney said police were now investigating other deaths dating back to 2021 and appealing for information about a business called

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