Injectable L Carnitine > Oral L Carnitine BUT do you REALLY need it?, , I dont think so., , L Carnitine is a medicine often prescribed by doctors to patients with heart issues., , In theory, it L carnitine is effective for both fat loss and athletic performance. However, oral L carnitine has lower bioavailability and can be harmful at high doses, so it should be avoided. , Even cardiologists Buy L Carnitine 2000 10 ampoules of 10ml Sanon Naturitas Chronic oral administration of L carnitine induces testicular injury: in vivo evidence International Urology and Nephrology Springer Nature Link