Acetyl l carnitine deficiency in patients with major depressive disorder PNAS Chronic acetyl L carnitine treatment alleviates behavioral deficits and neuroinflammation through enhancing microbiota derived SCFA in valproate model of autism ScienceDirect Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous Biallelic variants in BBOX1 cause L Carnitine deficiency and elevated butyrobetaine npj Genomic Medicine The Effect of L Carnitine on Critical Illnesses Such as Traumatic Brain Injury (TBI), Acute Kidney Injury (AKI), and Hyperammonemia (HA) The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation