Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.
Best Epitalon Vendors of 2026
Ranked by Price, Purity, and Reputation
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Quick Comparison
1Ascension PeptidesCOA
10/1010mg$5.00/mg
2Nura PeptideCOA
9.8/1010mg$4.90/mg
3Ion PeptideCOA
9.6/10$3.50/mg
4EZ PeptidesCOA
9.4/1010mg$3.80/mg
5Glacier AminosCOA
9.2/1010mg$3.30/mg
6Swiss ChemsShips WorldwideCOA
9/1010mg$2.32/mg
| Rank | Vendor | COA | Score | Doses |
|---|---|---|---|---|
| 1 | Ascension Peptides | Yes | 10/10 | |
| 2 | Nura Peptide | Yes | 9.8/10 | |
| 3 | Ion Peptide | Yes | 9.6/10 | |
| 4 | EZ Peptides | Yes | 9.4/10 | |
| 5 | Glacier Aminos | Yes | 9.2/10 | |
| 6 | Swiss ChemsShips Worldwide | Yes | 9/10 |
Bulk Pricing
Per-vendor quantity breaks — pick a vial size to see the bulk price. Must purchase the full pack.
Ascension PeptidesCOA
as low as $2.25/mg$450.0010mg × 10$4.50/mg → $2.25/mg auto-applied
View at Ascension PeptidesNura PeptideCOA30% code thepeptidecatalog
as low as $3.09/mg$441.0010mg × 10$4.41/mg → $3.09/mg with code
View at Nura PeptideIon PeptideCOA15% code thepeptidecatalog
as low as $1.52/mg$892.5050mg × 10$1.78/mg → $1.52/mg with code
View at Ion PeptideEZ PeptidesCOA10% code thepeptidecatalog
as low as $3.08/mg$342.0010mg × 10$3.42/mg → $3.08/mg with code
View at EZ PeptidesGlacier AminosCOA10% code thepeptidecatalog
as low as $2.08/mg$296.9010mg × 10$2.97/mg → $2.67/mg with code
View at Glacier AminosCompare More Peptide Vendors
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.