Parker’s positive cocaine test caused by nutritionist, doping body says
Former world heavyweight boxing champion Joseph Parker has been cleared to compete again after a three-month doping ban. Parker tested positive for cocaine on October 25, 2025, the day of his loss to Fabio Wardley in London.

Briefing Summary
AI-generatedFormer world heavyweight boxing champion Joseph Parker has been cleared to compete again after a three-month doping ban. Parker tested positive for cocaine on October 25, 2025, the day of his loss to Fabio Wardley in London. United Kingdom Anti-Doping (UKAD) determined the positive test was due to his nutritionist, who admitted to being a regular cocaine user and using the substance daily in the week leading up to the fight. UKAD found that Parker's ingestion of cocaine occurred out of competition and was unrelated to sport performance, leading to the lifting of his suspension. Parker has always denied knowingly taking any banned substances.
Article analysis
Model · rule-basedKey claims
5 extractedUKAD found the cocaine ingestion occurred out of competition and was unrelated to sport performance.
Parker denied knowingly taking any banned substances.
UKAD stated the cocaine presence was due to Parker's nutritionist, who was a regular cocaine user.
Parker tested positive for cocaine on the day of his loss to Fabio Wardley in October.
Joseph Parker has been cleared to return to boxing after a three-month drugs ban.