Athletes are injecting WHAT? WHERE? If anything was to come to the surface, we would look at it and see if it is doping related, Wada director general Olivier Niggli said at L Carnitine Peptide 400 mg Athlete Advisory: Explanation of Key Changes on 2022 WADA Prohibited List U.S. Anti Doping Agency Injectable L Carnitine: What It Is, How It Works, and Who Should Use It Mesotherapy Cocktails, Exosomes Regenerative Skin Boosters