Genesis Peptides vs Nexgen Peptides
Across the 28 products both vendors stock, Genesis Peptides has the lower effective price per mg on 19 and Nexgen Peptides on 9. Genesis Peptides lists 74 tracked listings across 48 products; Nexgen Peptides lists 92 across 59. On certificates of analysis the in-stock products we track rate broad at Genesis Peptides 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.
Genesis Peptides is a US research-peptide vendor based in Culver City, CA that lists 61 injectable peptides and 14 blends.
- Price vs market median
- 24% below market
- Tracked catalog
- 48 products · $
- Cheaper on
- 19 of 28 shared
- COA coverage
- Broad
Nexgen Peptides is a US research-peptide vendor based in Fullerton, CA that lists 87 injectable peptides, 3 capsules and 2 tablets.
- Price vs market median
- 1% below market
- Tracked catalog
- 59 products · $$
- Cheaper on
- 9 of 28 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 Genesis Peptides and 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 Genesis Peptides
20 products the other vendor does not list
- CJC-1295 (with DAC)$8.50
- GHRP-2$2.38
- GHRP-2 + CJC-1295 (no DAC)$5.95
- GHRP-2 + GHRP-6 + Sermorelin$6.23
- GHRP-2 + Ipamorelin + CJC-1295 (no DAC)$7.08
- GHRP-6$2.30
- GHRP-6 + CJC-1295 (no DAC)$5.95
- GLOW$1.52
Only at Nexgen Peptides
31 products the other vendor does not list
- 5-Amino-1MQ$1.72
- FOXO4-DRI$15.70
- Melanotan II$3.50
- MOTS-c$5.50
- TB-500$6.50
- Tirzepatide$1.55
- AICAR$0.66
- AOD-9604$5.60
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Genesis Peptides cheaper than Nexgen Peptides?
- On the 28 products both vendors stock, Genesis Peptides has the lower effective price per mg on 19 and Nexgen Peptides on 9. 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?
- Genesis Peptides: broad, newest test dated 2026-07-03. 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 Genesis Peptides and Nexgen Peptides?
- Genesis Peptides: ships from U.S. facilities, accepts ach. Nexgen Peptides: ships from US. Details come from each vendor's own site and can change without notice; check the storefront before ordering.