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Boxer Joseph Parker cleared after nutritionist cocaine claim

UK Anti-Doping cleared Joseph Parker after he argued his nutritionist's cocaine use caused a positive test.

·1 min read·2 outlets

The short version

Joseph Parker was cleared to fight again after UK Anti-Doping accepted his claim that his nutritionist's cocaine use caused a positive drug test. The 34-year-old tested positive in October 2025 following a bout with Fabio Wardley.

Joseph Parker, a former world heavyweight boxing champion, tested positive for cocaine on the day of his October 2025 bout with Fabio Wardley in London.2,1 Parker was suspended in October 2025 after failing a voluntary drug test but denied knowingly taking any prohibited substance.1 Parker argued to UK Anti-Doping authorities that his nutritionist's cocaine use caused the positive test result.3,2

UK Anti-Doping accepted Parker's explanation and cleared him to fight again.2 The bout with Fabio Wardley was described as a shock loss for Parker at the time of the event.2

Why it matters

  • UK Anti-Doping is the national anti-doping organization responsible for investigating and adjudicating doping cases in the United Kingdom.2

  • A voluntary drug test is a test conducted outside of competition that athletes may take to monitor their own compliance with anti-doping rules.1

This account was written from the 3 reports listed below, filed by 2 independent outlets, and checked against them line by line. It is not a copy of any one of them. Spotted an error? Tell us.

Corroborated2 outlets
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3 reports from 2 outlets. The numbers in the article point here.

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