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

6 vendors.
4 not flagged · 2 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

4 of 4 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 →
03Biotech PeptidesVID-BIOTECH-US2-param99%Yes4.4/5
7.8
Review →
04Peptide ProsVID-PEPTIDE-US1-param98.5%Yes4.1/5
7.2
Review →
Flagged · documented but not recommended

2 vendors 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%Y4.8/5$3816010% per sale
9.2
02SwissChemsVID-SWISSCHE · ⚠ flaggedUS2-param99.3%Y4.7/5$2215020% per sale
8.4
03QSC PeptidesVID-QSC-PEPTCN3-param99.5%Y$845
8.4
04Umbrella LabsVID-UMBRELLA · ⚠ flaggedUS2-param99%Y4.5/5$35155
8.0
05Biotech PeptidesVID-BIOTECH-US2-param99%Y4.4/5$4015012% per sale
7.8
06Peptide ProsVID-PEPTIDE-US1-param98.5%Y4.1/5$32130
7.2