Ion Peptide vs Skye Peptides
Across the 22 products both vendors stock, Ion Peptide has the lower effective price per mg on 17 and Skye Peptides on 5. Ion Peptide lists 105 tracked listings across 36 products; Skye Peptides lists 97 across 37. On certificates of analysis the in-stock products we track rate partial at Ion Peptide and limited at Skye 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.
Ion Peptide is a US research-peptide vendor that lists 66 injectable peptides and 1 blend, including Tirzepatide, FOXO4-DRI and Retatrutide.
- Price vs market median
- 25% below market
- Tracked catalog
- 36 products · $
- Cheaper on
- 17 of 22 shared
- COA coverage
- Partial
Skye Peptides is a US research-peptide vendor based in Los Angeles, California that lists 49 injectable peptides.
- Price vs market median
- 8% above market
- Tracked catalog
- 37 products · $$$
- Cheaper on
- 5 of 22 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 Ion Peptide and Skye 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 Ion Peptide
14 products the other vendor does not list
- NAD+$0.07
- SS-31$2.36
- Tirzepatide$1.69
- AICAR$1
- Cardiogen$2.01
- GHRP-2$4.93
- Glutathione$0.03
- L-Carnitine$0.01
Only at Skye Peptides
15 products the other vendor does not list
- 5-Amino-1MQ$1.78
- BPC-157$4.20
- CJC-1295 (no DAC)$6.90
- Epitalon$2.58
- GHK-Cu$0.69
- MOTS-c$2.97
- Semax$2.30
- TB-500$5.16
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Ion Peptide cheaper than Skye Peptides?
- On the 22 products both vendors stock, Ion Peptide has the lower effective price per mg on 17 and Skye Peptides on 5. 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?
- Ion Peptide: partial, newest test dated 2026-05-19. Skye Peptides: limited, newest test dated 2026-06-15. 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 Ion Peptide and Skye Peptides?
- Ion Peptide: ships from US. Skye Peptides: accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.