Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.
Best MOTS-C Vendors of 2026
Ranked by Price, Purity, and Reputation
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Quick Comparison
1Nura PeptideCOA
10/1010mg$4.50/mg
2Ion PeptideCOA
9.8/10$4.20/mg
3Ascension PeptidesCOA
9.6/1010mg$7.50/mg
4EZ PeptidesCOA
9.4/1010mg$5.40/mg
5Glacier AminosCOA
9.2/10$4.60/mg
6Swiss ChemsShips WorldwideCOA
9/1010mg$7.00/mg
| Rank | Vendor | COA | Score | Doses |
|---|---|---|---|---|
| 1 | Nura Peptide | Yes | 10/10 | |
| 2 | Ion Peptide | Yes | 9.8/10 | |
| 3 | Ascension Peptides | 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.
Ion PeptideCOA15% code thepeptidecatalog
as low as $1.83/mg$862.5040mg × 10$2.16/mg → $1.83/mg with code
View at Ion PeptideGlacier AminosCOA10% code thepeptidecatalog
as low as $2.52/mg$719.9020mg × 10$3.60/mg → $3.24/mg with code
View at Glacier AminosNura PeptideCOA25% code thepeptidecatalog
as low as $3.04/mg$405.0010mg × 10$4.05/mg → $3.04/mg with code
View at Nura PeptideAscension PeptidesCOA
as low as $3.38/mg$675.0010mg × 10$6.75/mg → $3.38/mg auto-applied
View at Ascension PeptidesEZ PeptidesCOA10% code thepeptidecatalog
as low as $4.37/mg$486.0010mg × 10$4.86/mg → $4.37/mg with code
View at EZ PeptidesCompare 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.