An Australian coroner has found that Richard Norton’s death was triggered by injections of two unapproved peptides.

Norton, the martial artist, stuntman and actor who played the Prime Imperator in “Mad Max: Fury Road,” died at The Alfred hospital in Melbourne on March 30, 2025. He was 75.

Victorian coroner David Ryan delivered his findings on Wednesday, Oct. 28, ABC News Australia reported . Ryan found that Norton went into cardiac arrest after injecting the peptides CJC1295 and Ipamorelin, and that he “had been taking amounts of the medication in excess of the dose prescribed by his medical practitioner.”

His Final Weeks

On March 11, 2025, Norton went to his doctor to ask about peptide therapy, per Yahoo News Australia . He had used it before for fatigue, shoulder pain and loss of lean muscle.

The doctor told him the treatment was still experimental and warned him about the risks. He prescribed the peptides after Norton had blood tests and a CT scan.

Norton later said he was feeling better.…