Genesis Peptides vs Ion Peptide
Across the 21 products both vendors stock, Genesis Peptides has the lower effective price per mg on 8 and Ion Peptide on 13. Genesis Peptides lists 72 tracked listings across 47 products; Ion Peptide lists 103 across 37. On certificates of analysis the in-stock products we track rate broad at Genesis Peptides and partial at Ion Peptide. 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 60 injectable peptides and 14 blends.
- Price vs market median
- 24% below market
- Tracked catalog
- 47 products · $
- Cheaper on
- 8 of 21 shared
- COA coverage
- Broad
Ion Peptide is a US research-peptide vendor that lists 67 injectable peptides, 2 blends and 3 nasal sprays.
- Price vs market median
- 23% below market
- Tracked catalog
- 37 products · $
- Cheaper on
- 13 of 21 shared
- COA coverage
- Partial
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 Ion Peptide 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
26 products the other vendor does not list
- BPC-157$4.42
- Epitalon$1.51
- GHK-Cu$0.37
- Semax$4.59
- Thymosin Alpha-1$7.65
- Adipotide$6.63
- Chonluten$2.13
- GHRP-2 + CJC-1295 (no DAC)$5.95
Only at Ion Peptide
16 products the other vendor does not list
- FOXO4-DRI$10.12
- Melanotan II$2.85
- Retatrutide$3.10
- Tirzepatide$1.69
- Adamax$6.80
- AICAR$1
- ARA-290$3.04
- Cartalax$3.36
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Genesis Peptides cheaper than Ion Peptide?
- On the 21 products both vendors stock, Genesis Peptides has the lower effective price per mg on 8 and Ion Peptide on 13. 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. Ion Peptide: partial, newest test dated 2026-05-19. 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 Ion Peptide?
- Genesis Peptides: ships from U.S. facilities, accepts ach. Ion Peptide: ships from US. Details come from each vendor's own site and can change without notice; check the storefront before ordering.