Drug Free Sport International (DFSI) is a global leader in the anti-doping industry with more than 24 years administering comprehensive anti-doping solutions for amateur and professional athletic organizations worldwide. Our highly experienced and diverse staff is committed to quality, technical innovation, and maintaining the most extensively trained collection network in the industry.  

In addition to its anti-doping solutions, DFSI recently expanded its expertise in collection services into the healthcare space. Fueled by industry-leading capabilities in mobile specimen collection, network administration, and program management, DFSI’s healthcare services help ensure critical laboratory testing and medical screening is convenient and accessible to all patients. 




In September 2018, International Doping Tests & Management (IDTM), a full-service provider in anti-doping services, merged with DFSI continuing their mission to be a truly global service provider. By combining the industry’s two top brands with complementary anti-doping positions, experience, technology and resources, IDTM and DFSI can accomplish ANY MISSION, ANYTIME, ANYWHERE in the world. 

IDTM Website




The Horseracing Integrity & Welfare Unit (HIWU) was established in 2022 by DFSI to administer the rules and enforcement mechanisms of the Horseracing Integrity and Safety Authority’s (HISA) Anti-Doping and Medication Control (ADMC) Program. 

HIWU’s world-class team composed of individuals with extensive experience in both human and equine anti-doping programs, manage all of the core responsibilities of the ADMC Program, including testing operations, results management and adjudication, investigations, education, science, and laboratory accreditation. 

HIWU Website




To help ensure the integrity of sports and to make mobile healthcare accessible to all. 



To be the world leader of innovative technology-enabled anti-doping, education and mobile clinical services for sport and healthcare markets.