Is L carnitine completely useless? No, while oral l carnitine has minimal effect, acetyle L carnitine form is generally more bioavailable, it may not be show a drastic change, but it does help L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe L Carnitine Linus Pauling Institute Oregon State University Is L carnitine completely useless? No, while oral l carnitine has minimal effect, acetyle L carnitine form is generally more bioavailable, it may not be show a drastic change, but it does help L Carnitine Dosage Explained: A Complete Guide The Science of Good Health Losing weight with L carnitine supplements. Yes or no?