My Sunday facial before and after..After 18 KLOW injections. I can't get enough of the science behind this!! The peptides I use test at 99% purity. That is as high as a Nature's Lab CoQ10 200 mg + Alpha Lipoic Acid + Acetyl L Carnitine, 120 Vegetarian Capsules Costco Subcutaneous Injection Sites and Instructions for Safe Self Administration Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction: What the Evidence Shows