Why Are People Injecting Themselves with Peptides? The New Yorker BPC 157, There are currently no published randomized controlled trials (RCTs) of BPC 157 in humans. All existing evidence comes from preclinical animal studies, primarily in rodent models., The Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do 1209_S7_article_14 Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports