KLOW Peptide: The Gut Skin Connection Explained Still injecting in the same spot every time? Read this. Where you inject your peptides can actually affect absorption, comfort, and results. Quick guide: Abdomen: fastest absorption Upper arms Natural Vitamins L Carnitine 500 mg 30 capsules Carnitine in tart form (l tartrate), which is much more absorbable by the body. Vita4you Etteneaj KLOW PEPTIDE is a POWERFUL formulation that combines four of the most clinically recognized compounds; GHK Cu, BPC 157, TB 500, and KPV. While these individual peptides offer targeted support on their own, Subcutaneous Injection Sites and Instructions for Safe Self Administration