Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.

Best Semaglutide Vendors of 2026

Ranked by Price, Purity, and Reputation

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Quick Comparison

1EZ Peptides
10/10
$35.00
5mg$7.00/mgCOA
2Ion Peptide
9.6/10
$39.00
10mg$3.90/mgCOA
3Royal PeptidesShips InternationallyPays with Crypto
9/10
$45.00
5mg$9.00/mgCOA
4Penguin Peptides
8.8/10
$59.00
5mg$11.80/mgCOA
5Certified Pep
8.7/10
$100.00
5mg$20.00/mgCOA

Bulk Kits

Multi-vial kits at a lower $/mg — must purchase the full kit.

VendorKitKit Price$/mgCOA
EZ Peptides
10-Vial Kit10mg each$368.00$3.68/mgYes
View Kit
EZ Peptides
10-Vial Kit5mg each$288.00$5.76/mgYes
View Kit

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How We Score Vendors

Our scoring is based on three weighted factors:

Price Competitiveness (40%)

Normalized to cost per milligram for fair comparisons across vial sizes.

COA Availability (30%)

Third-party lab testing confirming purity, identity, and absence of contaminants.

Vendor Reputation (30%)

Community feedback, shipping reliability, customer service, and business track record.

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