05/28/2026
A Horseracing Integrity & Welfare Unit (HIWU) advisory cautioning horsemen to make sure they don't have any Paiyao/Baiyao herbal supplements in their barn because of the possibility of banned substances not included on the ingredients list.
Following up on an advisory distributed in January 2024, HIWU strongly advises horsemen to dispose of any variations of the herbal products that may be identified on the labels as Yunnan Paiyao, Yunnan Baiyao, and/or Baiyao. HIWU continues to find these supplements during searches despite the risks....