By Vijay Kumar Malesu Reviewed by Lauren Hardaker Oct 9 2025 A review in Nutrients uncovers how tainted protein powders and performance supplements can sabotage honest athletes, revealing the hidden chemistry, clever masking tactics, and urgent safeguards needed to keep sport truly clean. Study: Adulteration of Sports Supplements with Anabolic Steroids—From Innocent Athlete to Vicious Cheater . Image credit: AntonSAN/Shutterstock.com In a recent review published in Nutrients , a group of