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Head-to-Head · 2026

Genetic Peptides USA vs Peptide Sciences

Side-by-side vendor verification — Peptide Verification Score, independent tests, labs on file, enforcement history, and last test date. Research use only. No paid placements.

Higher PVS96PVS
Genetic Peptides USA

USA · 99.4 reported purity · 67+ CoAs

PepAssure VerifiedFull Genetic Peptides USA report
15PVS
Peptide Sciences
Shut down

International

Full Peptide Sciences report

The short answer

Genetic Peptides USA currently holds the higher Peptide Verification Score — 96/100 vs 15/100 for Peptide Sciences. The pillar breakdown below shows where each vendor earns (or loses) points across purity testing, CoA verification, community sentiment, transparency, and order experience — see the scoring methodology for how the PVS is computed.

Pillar-by-pillar breakdown

Genetic Peptides USA (left) vs Peptide Sciences (right) — green marks the stronger pillar. “—” means no data: that pillar counts as 0 in the vendor's PVS. Its published weight stays in the total and is not given to the pillars that were measured.

99Purity—
62CoA—
100Sentiment—
100Transparency—
94Experience—

At a glance

MetricGenetic Peptides USAPeptide Sciences
PVS score96/100★15/100
Reported purity99.4%★—
CoAs on file67★0
Sentiment100%★—
Independent tests510★
LabsFinnrick, Horizon Analytical, JanoshikFinnrick
Enforcement historyNone on fileShut down
Last test date2026-10-12 (3 weeks ago)2026-07-20 (3 months ago)
Price tier——
CategoryBPC-157Selank
Shipping1-3 days3-5 days
LocationUSAInternational

Closed or enforcement record

Frequently asked

Which is better, Genetic Peptides USA or Peptide Sciences?

Genetic Peptides USA has the higher Peptide Verification Score: 96/100 versus 15/100 for Peptide Sciences. A score of 0 means PepAssure has not published one. This comparison is for research-use vendor verification, not a recommendation to buy. Rankings are not paid placements.

Does Genetic Peptides USA or Peptide Sciences have an enforcement record?

Genetic Peptides USA has no Enforcement Watch record; Peptide Sciences is listed as Shut down. The vendor page and Enforcement Watch link the source when one is on file.

How many independent tests do Genetic Peptides USA and Peptide Sciences have?

Genetic Peptides USA: 5 independent lab tests on file (Finnrick or Janoshik). Peptide Sciences: 10 independent lab tests on file (Finnrick or Janoshik).

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Rankings based solely on data. No paid placements — ever.