Swanson Propionyl L Carnitine with Glycine Heart Health and Energy Support, Muscle Strength and Endurance, 60 Veggie Capsules Macy's 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 If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. Propionyl L Carnitine for Erectile Dysfunction: What the Evidence Shows and How to Approach It