Frontiers Carnitine and Depression Article Published: Exploring Zn(II) Acetyl l carnitine complex for simultaneous management of depression, chronic pain, and neuroprotection Innoprot Effects of Long term Acetyl L carnitine Administration in Rats: I. Increased Dopamine Output in Mesocorticolimbic Areas and Protection toward Acute Stress Exposure Neuropsychopharmacology Could a mitochondrial metabolite known as acetyl L carnitine (LAC) yield a new biomarker for depression and potential new therapies? Dr. Carla Nasca, an @nyugrossman assistant professor of psychiatry and of neuroscience and physiology,