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. Acetyl L Carnitine and Lipoic Acid Erectile Dysfunction NIH: What the Evidence Shows Acetyl L Carnitine 250mg Solgar Natural Balance, since 1993 Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction: What the Evidence Shows