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, Article Published: Exploring Zn(II) Acetyl l carnitine complex for simultaneous management of depression, chronic pain, and neuroprotection Innoprot Exploring Zn(II) Acetyl l carnitine complex for simultaneous management of depression, chronic pain, and neuroprotection ScienceDirect Myriad of implications of acetyl l< sc> carnitine deficits in depression Supplements for Depression: A Psychiatrist's Perspective SURUCHI CHANDRA M.D. Short chain carnitines in adolescent major depressive disorder: Associations and biomarker potential ScienceDirect