The World Anti Doping Agency filed a brief in the Valieva case stating that the mention on the form of L carnitine and Hypoxen, though both legal, undercuts the argument that a banned substance, L Carnitine functions as a cofactor for long chain fatty acids across Download Scientific Diagram Valieva Had 3 Substances Sometimes Used to Help the Heart in Sample The New York Times L Carnitine #1 Non Stimulant Fat Burner l Carnitine reduces reactive oxygen species endoplasmic reticulum stress and maintains mitochondrial function during autophagy mediated cell apoptosis in perfluorooctanesulfonate treated renal tubular cells Scientific Reports