Frontiers Carnitine and Depression Better sleep, calmer mind, sharper focus can L theanine really deliver it all? L theanine appears to promote relaxation without sedation, and in some contexts, may also improve aspects of cognitive performance. Unlike many Acetyl L carnitine physical chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression Molecular Psychiatry Tuesday Minute Transcript Acetyl L Carnitine Enjoyed this chat with @serenapoon L carnitine is an amazing molecule that shuttles long chain fatty acids inside the mitochondria for beta oxidation during fasting. Many benefits including recover from exercise