Domestic peptide resellers

Domestic resellers.
Ranked by lab reports.

Compare unique reports and measured results from U.S.-based resellers. Products may be made overseas. Rank counts reports, not product quality.

17,216 unique reports102 ranked vendorsHow the rankings work →

Data refreshed Report dates are shown with each test.

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Domestic peptide reseller rankings

Resellers with the most lab reports

Ranks 101–102 of 102. Open a row to explore compounds and certificates.

101 Vector Amino Labs Explore test results No buyer reviews indexed 3Unique reports 2026-05-23Last observed< 1 year COA history Fewer than 5 applicable tests 3 0

Lab evidence

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Pick a compound, then a report, to see what the lab measured. Each report counts once, and only reports with a source link and a readable result appear here, so this list can hold fewer reports than the total above.

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Check the original reports, dates and tested batches.

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102 The Naughty Needle Explore test results No buyer reviews indexed 2Unique reports 2025-12-12Last observed< 1 year COA history Fewer than 5 applicable tests 2 0

Lab evidence

Free preview

Explore this vendor’s lab reports

Pick a compound, then a report, to see what the lab measured. Each report counts once, and only reports with a source link and a readable result appear here, so this list can hold fewer reports than the total above.

Read the evidence behind the summary.

Check the original reports, dates and tested batches.

Open vendor profile

Each report counts once, even when it tests several compounds or appears in multiple archives. Percentages need at least five applicable amount or purity results; explicit endotoxin failures are always shown. See the methodology and known limitations.

Explore low purity, underfilled samples and other lab findings for this seller group →