Swanson Vitamins Propionyl L Carnitine HCl & Glycine Support Glycine propionyl L carnitine and erectile dysfunction Acetyl L Carnitine Integrative Therapeutics Glycine Propionyl L Carnitine and 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