Tested Peptides

Tested Peptides is a UK-based vendor offering both retail and bulk purchasing across a moderate catalogue of around 20 peptides. Janoshik COAs document an average purity near 99.5% for about a third of the catalogue, and most products show a listed price. Community feedback isn't yet available, so buyer experience with this vendor remains uncharted here.

Data last updated

Anecdotal signals

Tested Peptides lab testing & COAs

Testing coverage

Coverage
7 / 30
products carry a certificate (23%)
Test panel — products documenting each test
0 with the full safety panel
Identity / purity7/30
Fill weight / content7/30
Sterility0/30
Endotoxin0/30
Heavy metals0/30
5 Amino 1MQ
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
AOD-9604
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
BPC-157
10 mg
Latest Mar 26, 2026
Identity —Purity ✓Weight ✓ 10.94 mgEndotoxin —Sterility —Metals —Independent lab ✓
Cagrilintide
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
CJC-1295
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
DSIP
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
1–6 of 30

Common questions

Is Tested Peptides legit?

We don't issue verdicts — we publish the evidence and let it speak. We hold 10 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 Tested Peptides publish third-party lab tests (COAs)?

7 of 30 observed peptides have a COA mapped to them. Latest captured reports are from Janoshik.