Cenexa Labs vs Nexgen Peptides
Across the 48 products both vendors stock, Cenexa Labs has the lower effective price per mg on 11 and Nexgen Peptides on 37. Cenexa Labs lists 90 tracked listings across 65 products; Nexgen Peptides lists 92 across 57. On certificates of analysis the in-stock products we track rate none found at Cenexa Labs and limited at Nexgen Peptides. 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 90 injectable peptides and 5 nasal sprays.
- Price vs market median
- 19% above market
- Tracked catalog
- 65 products · $$$
- Cheaper on
- 11 of 48 shared
- COA coverage
- None found
Nexgen Peptides is a US research-peptide vendor based in Fullerton, CA that lists 85 injectable peptides, 3 capsules and 2 tablets.
- Price vs market median
- 2% below market
- Tracked catalog
- 57 products · $$
- Cheaper on
- 37 of 48 shared
- COA coverage
- Limited
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Nexgen Peptides 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
17 products the other vendor does not list
- NAD+$0.20
- ACE-031$179.99
- Cerebrolysin$1.05
- CJC-1295 (with DAC)$12.20
- Dermorphin$26
- GHRP-2$3.50
- GHRP-6$3.50
- Glutathione$0.06
Only at Nexgen Peptides
9 products the other vendor does not list
- SS-31$3.28
- Tirzepatide$1.55
- Adipotide$14.20
- L-Carnitine$0.07
- Livagen$3.15
- Semaglutide$4
- Thymagen$1.18
- Thymulin$4.60
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Cenexa Labs cheaper than Nexgen Peptides?
- On the 48 products both vendors stock, Cenexa Labs has the lower effective price per mg on 11 and Nexgen Peptides on 37. 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. Nexgen Peptides: limited, newest test dated 2026-08-30. 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 Nexgen Peptides?
- Cenexa Labs: we have not recorded shipping or payment details yet. Nexgen Peptides: ships from US. Details come from each vendor's own site and can change without notice; check the storefront before ordering.