Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo Frontiers The Effects of L Carnitine, Acetyl L Carnitine, and Propionyl L Carnitine on Body Mass in Type 2 Diabetes Mellitus Patients Propionyl L Carnitine for Erectile Dysfunction Propionyl L Carnitine for Erectile Dysfunction: What the Evidence Shows and How to Approach It Acetyl l carnitine plus propionyl l carnitine improve efficacy of sildenafil in treatment of erectile dysfunction after bilateral nerve sparing radical retropubic prostatectomy Urology The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation