Propionyl L carnitine for erectile dysfunction Acetyl l carnitine plus propionyl l carnitine improve efficacy of sildenafil in treatment of erectile dysfunction after bilateral nerve sparing radical retropubic prostatectomy ScienceDirect Glycine Propionyl L Carnitine and Erectile Dysfunction: A Closer Look at the Evidence Carnitine for erectile dysfunction PDF) Glycine propionyl L carnitine produces enhanced anaerobic work capacity with reduced lactate accumulation in resistance trained males