Last updated: September 1, 2026

Popular peptides that met full testing criteria.

  • Heavy metals
  • Endotoxin
  • Sterility
  • HPLCpurity
  • Measured quantity
  • Lot tracking

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Lowest price supplier featured for each product.

The six COA checks

  • HHeavy metals
  • EEndotoxin
  • SSterility
  • PHPLC purity
  • QMeasured quantity
  • TLot tracking

IDUN Peptides

Excellent

13 products listed

PS Peptides

Excellent

43 products listed

Midwest Peptide

Excellent

11 products listed

BioEdge Research Labs

Excellent

51 products listed

Not every product in a catalog meets Blue Horizon Research’s criteria. The products listed here are the ones whose reviewed COA covered all six checks.