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Understand the source comparison

Research Peptide Legal Status Comparison Table

The following comparison illustrates how different peptide categories are treated under current US federal law, helping researchers understand are research peptides legal across various compound types: BPC-157 Not Scheduled Research chemical Yes (compliant sup

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This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.

  • The following comparison illustrates how different peptide categories are treated under current US federal law, helping researchers understand are research peptides legal across various compound types:
  • BPC-157
  • Not Scheduled
  • Research chemical
  • Yes (compliant suppliers)
  • TB-500
  • GHK-Cu
  • Semaglutide / Tirzepatide
  • FDA-approved drug (limited research use)
  • Restricted (pharmacy compounding only)
  • Retatrutide
  • Investigational (research chemical)
  • Yes (research use)
  • Testosterone (as peptide contaminant)
  • Schedule III
  • Controlled substance
  • No — federal offense