Region:
All editionsMethodologyUpdated · July 2026
Vendor register · United States

6 vendors.
5 not flagged · 1 flagged.

Every vendor we track in this region, ranked by composite score. Flagged vendors are listed but never recommended by the finder.

Recommended pool · sorted by composite

5 of 5 shown
Top-ranked peptide vendors by composite score
#VendorHQTestingPurityEUTrustpilotScore
01Core PeptidesVID-CORE-PEPUS3-param99.1%Yes4.8/5
9.2
Review →
02QSC PeptidesVID-QSC-PEPTCN3-param99.5%Yes
8.4
Review →
03Umbrella LabsVID-UMBRELLAUS2-param99%Yes4.5/5
8.0
Review →
04Biotech PeptidesVID-BIOTECH-US2-param99%Yes4.4/5
7.8
Review →
05Peptide ProsVID-PEPTIDE-US1-param98.5%Yes4.1/5
7.2
Review →
Flagged · documented but not recommended

1 vendor flagged.

Vendor register

Showing 6 of 6 · sort: score · filter: all
All tracked peptide vendors, compared across testing depth, purity, value, and trust
#VendorHQTestingPurityEUTrustpilotPrice bandAffiliateScore
01Core PeptidesVID-CORE-PEP · Editor's pickUS3-param99.1%Y4.8/53816010% per sale
9.2
02SwissChemsVID-SWISSCHE · ⚠ flaggedUS2-param99.3%Y4.7/52215020% per sale
8.4
03QSC PeptidesVID-QSC-PEPTCN3-param99.5%Y845
8.4
04Umbrella LabsVID-UMBRELLAUS2-param99%Y4.5/53515515% per sale
8.0
05Biotech PeptidesVID-BIOTECH-US2-param99%Y4.4/54015012% per sale
7.8
06Peptide ProsVID-PEPTIDE-US1-param98.5%Y4.1/532130
7.2