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 Acetyl L Carnitine 500 mg Diet & Nutrition for Fibromyalgia: Foods to Avoid American Fibromyalgia Syndrome Association (AFSA) PDF) Double blind, multicenter trial comparing acetyl l carnitine with placebo in the treatment of fibromyalgia patients Fatigue in Fibromyalgia: Causes & Treatments American Fibromyalgia Syndrome Association (AFSA)