Acetyl L Carnitine Integrative Therapeutics Propionyl L Carnitine with Viagra: What the Evidence Shows for Men Exploring This Combination Swanson Vitamins Propionyl L Carnitine HCl & Glycine Support L Carnitine Better Than Testosterone in Treating Erectile Dysfunction Do nutraceuticals work in erectile dysfunction? Although nutraceutical based treatments are often offered for erectile dysfunction ( ED), their efficacy remains doubtful. In a recent meta analysis, the efficacy of available nutraceutical