Coroner rules Richard Norton died from peptide overdose, urging stricter Australian controls

Australian coroner David Ryan ruled that actor Richard Norton died from a cardiac arrest triggered by unapproved peptide injections. Norton, 75, had doubled his prescribed dose of CJC1295 and Ipamorelin, leading to a fatal allergic reaction. The report highlights the risks of unregulated peptide use and recommends stricter restrictions by the Therapeutic Goods Administration.
Key points
- Coroner David Ryan concluded that Richard Norton died from a cardiac arrest triggered by anaphylaxis after injecting unapproved peptides CJC1295 and Ipamorelin.
- Norton had been taking double the prescribed dose of the peptides, despite a nurse warning him to adhere to the prescribed amount.
- The coroner recommended that Australia's Therapeutic Goods Administration review the safety and efficacy of these peptides and consider restricting them to clinical trials only.
- Dr. Jerzy Muchnicki, who prescribed the peptides, accepted accountability for his actions and agreed to stop prescribing peptides unless supported by robust clinical evidence.
- Norton's death is believed to be the first confirmed fatality in Australia linked to unapproved peptides.
Background
Richard Norton, a veteran actor and martial artist known for roles in 'Mad Max: Fury Road' and 'The Octagon,' died on March 30, 2025, at Melbourne's Alfred Hospital. He had sought treatment for fatigue, shoulder pain, and muscle loss, and had previously been prescribed peptides by another practitioner. His wife, Judy Green, administered CPR after he collapsed at home on March 28, 2025. The coroner's findings were released in late October 2026.
How outlets are covering it
Page Six emphasized that Norton ignored his nurse's warning about peptide use before his sudden death. NBC News highlighted that Norton was taking a double dose of the peptides and that the doctor was faulted for authorizing the extra dosage without consulting the nurse's record. The Guardian focused on the coroner's recommendation for the Therapeutic Goods Administration to review the peptides and consider shifting them to a schedule that allows only clinical trials. USA Today noted that Norton's death was triggered by an injection of unapproved peptides that caused a severe allergic reaction, and that asthma and hypertrophic cardiomyopathy were contributing factors.
Why it matters
The case underscores the risks of unregulated peptide use, particularly in the context of growing public interest in these substances for weight loss, muscle growth, and anti-aging. The coroner's findings may lead to stricter regulations in Australia and highlight the need for robust clinical evidence before prescribing such treatments.
What to watch
The Therapeutic Goods Administration is expected to review the safety and efficacy of unapproved peptides and consider stricter restrictions. Dr. Jerzy Muchnicki will undergo training for clinical record keeping and management, and will no longer prescribe peptides unless supported by robust clinical evidence.
- Richard Norton ignored nurse’s grim warning about peptide use before sudden death at 75 Page Six
- Richard Norton, actor and martial artist, died after peptides triggered heart attack, coroner says NBC News
- Coroner calls for TGA to review unapproved peptides after death of Australian actor The Guardian
- 'Mad Max' actor Richard Norton died after peptide injection, coroner finds USA Today
- Hollywood actor and Jackie Chan collaborator dies at 75 Cleveland.com
Want the full story? Read the original reporting
Read on Page Six