Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.
Best NAD+ Vendors of 2026
Ranked by Price, Purity, and Reputation
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Quick Comparison
1EZ Peptides
10/10$35.00
250mg$0.14/mgCOA2Ascension Peptides
9.9/10$75.00$150.00
1000mg$0.08/mgCOA3Ion Peptide
9/10$44.00
250mg$0.18/mgCOA4BioLongevity Labs
8.9/10$249.97
500mg$0.50/mgCOA5Royal PeptidesShips InternationallyPays with Crypto
8.8/10$65.00
500mg$0.13/mgCOA6Swiss ChemsShips Worldwide
8.7/10$47.95
100mg$0.48/mgCOA| Rank | Vendor | Price | Amount | $/mg | COA | Score | |
|---|---|---|---|---|---|---|---|
| 1 | EZ Peptides | $35.00 | 250mg | $0.14/mg | Yes | 10/10 | |
| 2 | Ascension Peptides | $75.00$150.00 | 1000mg | $0.08/mg | Yes | 9.9/10 | View50% OFF |
| 3 | Ion Peptide | $44.00 | 250mg | $0.18/mg | Yes | 9/10 | |
| 4 | BioLongevity Labs | $249.97 | 500mg | $0.50/mg | Yes | 8.9/10 | |
| 5 | Royal PeptidesShips InternationallyPays with Crypto | $65.00 | 500mg | $0.13/mg | Yes | 8.8/10 | |
| 6 | Swiss ChemsShips Worldwide | $47.95 | 100mg | $0.48/mg | Yes | 8.7/10 |
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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.