# Nutritionist behind Parker's positive cocaine test

British athlete Parker tested positive for cocaine, with the substance traced back to a nutritionist's involvement. The case raises questions over responsibility and could impact Parker's career and reputation depending on the outcome of any disciplinary hearing.

**Importance:** 3/5

## Sources

### Sports
- [BBC Sport](https://www.bbc.co.uk/sport/boxing/articles/c04kvy3y4vno?at_medium=RSS&at_campaign=rss) — Thu, 06 Aug 2026 13:44:41 GMT

### World
- [Al Jazeera](https://www.aljazeera.com/sports/2026/8/6/parkers-positive-cocaine-test-caused-by-nutritionist-doping-body-says?traffic_source=rss) — Thu, 06 Aug 2026 17:04:21 +0000