> VENDOR_DIRECTORY
Find the best peptide vendors — scored by credibility, sorted by price per mg
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Signal ratings reflect our analysis of publicly available data — lab testing, community mentions, and business history. Not an endorsement or certification.
PEPTIDE SCIENCES
peptidesciences.com
92
STRONG SIGNALS
✓ COA✓ HPLC✓ MASS SPEC✓ CRYPTO✓ RESHIP
EST. 20141,240 reddit mentionssentiment 4.8/5
LIMITLESS LIFE NOOTROPICS
limitlesslifenootropics.com
84
GOOD SIGNALS
✓ COA✓ HPLC✗ MASS SPEC✓ CRYPTO✓ RESHIP
EST. 2017890 reddit mentionssentiment 4.6/5
SWISS CHEMS
swisschems.is
80
GOOD SIGNALS
✓ COA✓ HPLC✓ MASS SPEC✓ CRYPTO✓ RESHIP
EST. 2018410 reddit mentionssentiment 4.2/5
AMINO ASYLUM
aminoasylum.com
76
GOOD SIGNALS
✓ COA✓ HPLC✗ MASS SPEC✓ CRYPTO✗ RESHIP
EST. 2018640 reddit mentionssentiment 4.3/5
CORE PEPTIDES
corepeptides.com
74
MIXED SIGNALS
✓ COA✓ HPLC✗ MASS SPEC✗ CRYPTO✓ RESHIP
EST. 2019280 reddit mentionssentiment 4.1/5
BEHEMOTH LABZ
behemothlabz.com
72
MIXED SIGNALS
✓ COA✓ HPLC✗ MASS SPEC✓ CRYPTO✗ RESHIP
EST. 2018320 reddit mentionssentiment 4.0/5
BLUE SKY PEPTIDE
blueskypeptide.com
70
MIXED SIGNALS
✓ COA✓ HPLC✗ MASS SPEC✗ CRYPTO✗ RESHIP
EST. 2013450 reddit mentionssentiment 3.9/5
PEPTIDE WAREHOUSE
peptidewarehouse.com
65
MIXED SIGNALS
✓ COA✗ HPLC✗ MASS SPEC✓ CRYPTO✗ RESHIP
EST. 2020190 reddit mentionssentiment 3.8/5