Home Klow The KLOW Peptide is a combination of 4 peptides, each with a specific function! BPC 157: May help in tissue regeneration and improved muscle recovery TB 500: May help improve vascular connections Why Are People Injecting Themselves with Peptides? The New Yorker New Peptides will be available at Optimal Healthcare starting in February!!! Each backed with COA ( certification of authenticity ) **Side note. If you are taking peptides make sure they have this.