Greatest Peptides LLC

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

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Data last updated August 19, 2026

Anecdotal signals

Greatest Peptides LLC lab testing & COAs

AOD-9604

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AOD-9604

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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —

Dihexa

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Dihexa

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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —

DSIP

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DSIP

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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —

GHK-Cu

✓✓———✓54.18 mgMar 29, 2026✓

GHK-Cu

Latest Mar 29, 2026

Identity ✓Purity ✓Weight ✓ 54.18 mgEndotoxin —Sterility —Metals —Independent lab ✓

IGF 1 LR3

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IGF 1 LR3

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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —

Ipamorelin + CJC-1295

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Ipamorelin + CJC-1295

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Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —

1–6 of 20

Price

$79.99 $0.08/mg—

$54.99 $0.55/mg—

$259.99 $2.6/mg—

$29.99 $3/mg—

$89.99 $3/mg—

$31.99 $3.2/mg—

regional price-per-mg comparisons

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 69 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.