Cenexa Labs vs Peptide Partners
Across the 16 products both vendors stock, Cenexa Labs has the lower effective price per mg on 0 and Peptide Partners on 16. Cenexa Labs lists 90 tracked listings across 59 products; Peptide Partners lists 116 across 21. On certificates of analysis the in-stock products we track rate none found at Cenexa Labs and broad at Peptide Partners. 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 78 injectable peptides, including Semax, CJC-1295 (no DAC) and FOXO4-DRI.
- Price vs market median
- 15% above market
- Tracked catalog
- 59 products · $$$
- Cheaper on
- 0 of 16 shared
- COA coverage
- None found
Peptide Partners is a US research-peptide vendor based in Sarasota, FL that lists 85 injectable peptides.
- Price vs market median
- 2% above market
- Tracked catalog
- 21 products · $$
- Cheaper on
- 16 of 16 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 Partners 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
43 products the other vendor does not list
- FOXO4-DRI$16.80
- GHK-Cu$0.72
- Melanotan II$4.50
- NAD+$0.20
- Selank$5
- TB-500$8.50
- Thymosin Alpha-1$13
- ACE-031$179.99
Only at Peptide Partners
5 products the other vendor does not list
- Retatrutide$3.15
- SS-31$1.90
- Tirzepatide$1.50
- Cagrilintide$5.25
- Semaglutide$4.88
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Cenexa Labs cheaper than Peptide Partners?
- On the 16 products both vendors stock, Cenexa Labs has the lower effective price per mg on 0 and Peptide Partners on 16. 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 Partners: broad, newest test dated 2026-10-01. 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.
- What does each vendor carry?
- Cenexa Labs has 59 priced products in the current index and Peptide Partners has 21, 16 of which appear on both catalogs. 43 products are listed only by Cenexa Labs and 5 only by Peptide Partners.