A note about food and mood. I've spoken in YouTube videos before about the large effect my diet experiments have had my on mental function and wellbeing (depression, or its absence). Over Study links depression to low blood levels of acetyl L carnitine Detailed information of studies on carnitine and depression in human. Download Scientific Diagram Plasma acetyl l carnitine and l carnitine in major depressive episodes: a casecontrol study before and after treatment Psychological Medicine Cambridge Core Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo