Acetyl L Carnitine as an Add On Treatment in Fibromyalgia Syndrome: A Retrospective Analysis on 183 Patients, According to the Generalized Linear Mixed Model for Longitudinal Data PDF) Double blind, multicenter trial comparing acetyl l carnitine with placebo in the treatment of fibromyalgia patients Fibromyalgia is more than just muscle pain it also shows up as fatigue and sleep problems, and can be accompanied by anxiety or depression. https: wb.md 4fOogPI Conceptual foundations of acetylcarnitine supplementation in neuropsychiatric long COVID syndrome: a narrative review European Archives of Psychiatry and Clinical Neuroscience Springer Nature Link