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Ares Research vs EZ Peptides: COA & Testing Comparison (2026)

Ares Research is Grade A. EZ Peptides is Grade B. The published rubric lists A above B. These grades describe the public record checked on October 16, 2026. They are not a guarantee of quality, purity, safety, or outcomes.

Ares Research vs EZ Peptides: COA & Testing Comparison (2026)
Public recordAres ResearchEZ Peptides
GradeGrade AGrade B
SignalSupplier-stated. COA lookup lists Janoshik (Jun 2026) and Chromate records; the testing page names Janoshik and Freedom Diagnostics (Supplier-stated)Independently verified. Finnrick: 11 tests, 7/11 passed, rating 75%, latest 7 Sep 2026; the COA portal cites Janoshik
LimitationNo independent dataset found; "COAs on request" bannerFinnrick notes repeated retatrutide purity misses (incl. 93.2%); Finnrick report flags an ISO accreditation mismatch
COA availabilitySupplier-stated. The BPC-157 COA lookup says third-party HPLC and mass-spec verification is done on every BPC-157 batch, and it lists records such as BPC-157 from Janoshik Analytical (Jun 2026). The same lookup names Chromate on a 5-Amino-1MQ record (Aug 2025). A site banner also says COAs are available on request. SourceSupplier-stated. A public COA portal lists batch documents. Site banners say certificates come from Janoshik. Source
Named labSupplier-stated. The testing page says every batch is analyzed by two independent labs, Janoshik Analytical and Freedom Diagnostics, and that a certificate is tied to every lot. SourceSupplier-stated. The BPC-157 10 mg product page banner says third-party tested with COAs from Janoshik. Source
CodeCONTINUE (15% off)No code published

The ranking is not a quality guarantee. One strong certificate of analysis does not validate the whole catalog. Verify each batch.

Back to the 2026 evidence ranking