Fitness influencers promote risky, unproven fitness products called peptides online and health experts are ringing alarm bells Capital Current How BPC 157 and 'peptide stacks' are driving wellness culture BPC 157 has already hit the mainstream, but should it hit your bloodstream? They Call It the 'Wolverine Peptide.' And Everyone from Biohackers to Your Dad Wants It Now. The Peptide Boom Is Getting Out of Hand The Atlantic