Isopure Research Peptides vs Skye Peptides
Across the 13 products both vendors stock, Isopure Research Peptides has the lower effective price per mg on 7 and Skye Peptides on 6. Isopure Research Peptides lists 18 tracked listings across 14 products; Skye Peptides lists 97 across 37. On certificates of analysis the in-stock products we track rate none found at Isopure Research Peptides 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.
Isopure Research Peptides is a research-peptide vendor that lists 17 injectable peptides, including Retatrutide, Tirzepatide and Ipamorelin.
- Price vs market median
- 11% below market
- Tracked catalog
- 14 products · $
- Cheaper on
- 7 of 13 shared
- COA coverage
- None found
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
- 6 of 13 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 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 Skye Peptides
24 products the other vendor does not list
- 5-Amino-1MQ$1.78
- CJC-1295 (no DAC)$6.90
- DSIP$9.80
- Epitalon$2.58
- FOXO4-DRI$11.06
- KPV$4.50
- Melanotan II$4.90
- Pinealon$2.82
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Isopure Research Peptides cheaper than Skye Peptides?
- On the 13 products both vendors stock, Isopure Research Peptides has the lower effective price per mg on 7 and Skye Peptides on 6. 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?
- Isopure Research Peptides: none found. 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 Isopure Research Peptides and Skye Peptides?
- Isopure Research Peptides: we have not recorded shipping or payment details yet. Skye Peptides: accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.