GoKawiilGray-market peptide BPC-157 surges in popularity despite scant human safety data
A Verge newsletter examines BPC-157, an unapproved 'body protection compound' peptide popularized as part of the so-called Wolverine stack for injury recovery. A 2025 systematic review found only 35 preclinical studies and a single human clinical study on the substance, even as it racked up over 50 million YouTube and TikTok views in 2024 and a reported 1,600 percent rise in US web searches over five years.