L carnitine and Acetyl L Carnitine: A Possibility for Treating Alterations Induced by Obesity in the Central Nervous System Neurochemical Research Springer Nature Link Dr Acetyl l carnitine has been compared to placebo treatments. It's also been compared to standard antidepressants. Most of those studies lead to the conclusion that acetyl l carnitine works like Acetyl L Carnitine 1000mg Protective effects of CoQ10 and L carnitine against antidepressant induced mitochondrial dysfunction and teratogenicity in chicken embryos ScienceDirect