Cenexa Labs vs Peptide Works
Across the 41 products both vendors stock, Cenexa Labs has the lower effective price per mg on 8 and Peptide Works on 32, and 1 prices the same to the cent. Cenexa Labs lists 90 tracked listings across 59 products; Peptide Works lists 92 across 50. On certificates of analysis the in-stock products we track rate none found at Cenexa Labs and broad at Peptide Works. Based on the certificates our crawler found; vendors may publish more than we index. These are price and document observations, not quality ratings, and neither vendor is endorsed.
Cenexa Labs is a research-peptide vendor that lists 79 injectable peptides and 5 nasal sprays.
- Price vs market median
- 13% above market
- Tracked catalog
- 59 products · $$$
- Cheaper on
- 8 of 41 shared
- COA coverage
- None found
Peptide Works is a research-peptide vendor that lists 82 injectable peptides, including PT-141, Melanotan II and GHK-Cu.
- Price vs market median
- 17% below market
- Tracked catalog
- 50 products · $
- Cheaper on
- 32 of 41 shared
- COA coverage
- Broad
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Peptide Works were extracted from the vendor's site and not yet reviewed by us.
Certificates on file
Coverage rates how many of the in-stock products we track have a certificate our pipeline read and matched to a catalog peptide. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products, and a certificate cannot show authenticity, chain of custody or sterility.
Carried by one vendor only
Only at Cenexa Labs
18 products the other vendor does not list
- 5-Amino-1MQ$3.50
- ARA-290$7.50
- Cardiogen$3
- Cerebrolysin$1.05
- Chonluten$3
- Cortagen$2.95
- Dermorphin$26
- Dihexa$9.90
Only at Peptide Works
9 products the other vendor does not list
- SS-31$6.96
- Adamax$10.93
- Adipotide$7.77
- B7-33$9.72
- Follistatin$107.43
- GDF-8 (Myostatin)$106.82
- Gonadorelin$7.50
- Orexin A and Orexin B$23.83
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Cenexa Labs cheaper than Peptide Works?
- On the 41 products both vendors stock, Cenexa Labs has the lower effective price per mg on 8 and Peptide Works on 32, with 1 priced the same to the cent. Each side uses the cheapest in-stock listing we track for that product, after any public discount code, and prices change often.
- How much COA coverage does each vendor have?
- Cenexa Labs: none found. Peptide Works: broad, newest test dated 2025-09-21. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products ourselves, and a certificate cannot prove authenticity or sterility.
- How do shipping and payment differ between Cenexa Labs and Peptide Works?
- Cenexa Labs: we have not recorded shipping or payment details yet. Peptide Works: accepts card, zelle, wire, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.