Greatest Peptides LLC

A vendor profile with live pricing, testing, shipping, and community signals.

Website

Data last updated

Anecdotal signals

Greatest Peptides LLC lab testing & COAs

Testing coverage

Coverage
7 / 20
products carry a certificate (35%)
Test panel — products documenting each test
0 with the full safety panel
Identity / purity7/20
Fill weight / content7/20
Sterility0/20
Endotoxin2/20
Heavy metals0/20
AOD-9604
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Dihexa
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 —
GHK-Cu
100 mg
Latest Jul 20, 2026
Identity ✓Purity ✓Weight ✓ 117.71 mgEndotoxin —Sterility —Metals —Independent lab ✓
IGF 1 LR3
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Ipamorelin + CJC-1295
Latest —
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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
1–6 of 20

Common questions

Is Greatest Peptides LLC legit?

We don't issue verdicts — we publish the evidence and let it speak. We hold 29 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 Greatest Peptides LLC publish third-party lab tests (COAs)?

7 of 20 observed peptides have a COA mapped to them. Latest captured reports are from Freedom Diagnostics.