Back in the summer of 2024, the ubiquitous type 2 diabetes drug metformin was having an oversized impact on the sport. As a banned substance, a metformin overage came with a maximum two-year ban and $25,000 fine. Among the seven metformin cases adjudicated by June of last year, the Horseracing Integrity and Welfare Unit (HIWU) had meted out three hefty suspensions including one for the maximum two years. The crux of the controversy was this: While regulators said that they had received intelligence metformin was being abused as a potential...