Peptides 4 Research

Peptides 4 Research is a site-verified vendor serving both individual buyers and bulk customers, with no minimum order beyond a single vial. Most of the catalogue has third-party COAs through MDx BioAnalytical Laboratory showing 99.76% purity. Pricing is listed for nearly all products it carries. Community evidence on shipping quality, customer service, and product experience remains thin.

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Data last updated

Anecdotal signals

Peptides 4 Research lab testing & COAs

5 Amino 1MQ
Latest Feb 07, 2026
Identity ✓Purity ✓Weight ✓ 10.15 mgEndotoxin ✓Sterility —Metals —Independent lab —
BPC-157
Latest Feb 11, 2026
Identity ✓Purity ✓Weight ✓ 10.14 mgEndotoxin ✓Sterility —Metals —Independent lab —
Cagrilintide
Latest Jan 23, 2026
Identity ✓Purity ✓Weight ✓ 5.06 mgEndotoxin ✓Sterility —Metals —Independent lab —
Cartalax
Latest Feb 11, 2026
Identity ✓Purity ✓Weight ✓ 20.19 mgEndotoxin ✓Sterility —Metals —Independent lab —
DSIP
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
GHK-Cu
Latest May 11, 2025stale
Identity ✓Purity ✓Weight —Endotoxin —Sterility —Metals —Independent lab ✓
1–6 of 28

Common questions

Is Peptides 4 Research legit?

We don't issue verdicts — we publish the evidence and let it speak. We hold 27 captured lab documents (COAs) for this vendor. Our automated site audit has verified the vendor's published catalogue and COA surface. The sections on this page hold the evidence behind each of those numbers.

Does Peptides 4 Research publish third-party lab tests (COAs)?

20 of 28 observed peptides have a COA mapped to them. Latest captured reports are from MDx BioAnalytical Laboratory, Inc..