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, Frontiers Discovery and validation of acetyl L carnitine in serum for diagnosis of major depressive disorder and remission status through metabolomic approach Nature's Truth Acetyl L Carnitine HCL 1000mg, 30 Capsules, Non GMO, Gluten Free ALCAR Supplement Walmart.com Acetyl L carnitine in chronic pain: A narrative review ScienceDirect