PDA (pentadeca arginate) looks new, but it really exists because BPC 157 got banned : r peptidebenchmark BPC 157 ARGINATE TB 500 40mg 20 20 Peptide Research Supply BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options BPC 157 (Arginate Salt) Xcel Peptides Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports Peptides like BPC 157 are everywhere on social media right now. They are most commonly promoted for injury and tendon healing and are often paired with other peptides such as TB 500.