Optides
US supplier with batch-specific third-party COAs, 99%+ HPLC purity, and same-day domestic shipping.
98.3/100
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A multi-vendor list graded on the same public criteria.
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Verified Peptides
US research-peptide vendor (operating since 2020) with a public Lab Tests page; HPLC purity, active weight content, and identity, plus sterility and endotoxin (LPS) testing.
96.7/100
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Oros Research
US research-peptide supplier with a public COA library and a seven-point third-party test panel (identity, purity, net content, endotoxin, heavy metals, microbials, vial-to-vial variance), finished under cGMP / ISO 5.
95.0/100
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Apex Peptides
Third-party tested research-only peptides with same-day shipping Monday–Friday.
91.7/100
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Lumin Peptides
Research-grade catalog with independent COA testing on every batch prior to release.
88.3/100
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BioLongevity Labs
US manufacturer with triple third-party testing and a public COA archive for research peptides and bioregulators.
86.7/100
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Core Peptides
US supplier with batch-specific Janoshik COAs, HPLC chromatograms, and MS identity on published lab reports.
93.3/100
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Clarion Peptides
Lot-traceable peptides with Janoshik-verified HPLC and mass-spec COAs on a public lot ledger.
90.0/100
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Luxara Labs
US research supplier with COA education resources, lab-result pages, and tracked domestic fulfillment.
83.3/100
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