L Carnitine Side Effects & Safety: A Complete Guide The Science of Good Health What Is L Carnitine? How Could It Help With Weight Management? Wellness Hub Carnitine HealthyPlace Carnitene 1 g 10 ml 10 single dose oral solution L carnitine vials Farmacia Dottor Tili Can Acetyl L Carnitine Help Clear Brain Fog and Fatigue in Long COVID and ME CFS? RTHM Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish.