AP's BPC 157 peptide warning skips every doctor who disagrees Seattle Red BPC 157 aka Wolverine. This peptide is not FDA approved, but it is very popular among the biohacking population. Ashley explains the science behind it, but remember, it doesn't have human data yet, so Peptides Lack Reliable Safety Information, Watchdog Warns 'People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian Peptides are surging in popularity. There's little evidence that they work.