Fusion Peptide vs Isopure Research Peptides
Across the 12 products both vendors stock, Fusion Peptide has the lower effective price per mg on 12 and Isopure Research Peptides on 0. Fusion Peptide lists 157 tracked listings across 50 products; Isopure Research Peptides lists 14 across 12. On certificates of analysis the in-stock products we track rate partial at Fusion Peptide and none found at Isopure Research 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.
Fusion Peptide is a US research-peptide vendor based in Glendale, AZ that lists 95 injectable peptides and 2 nasal sprays.
- Price vs market median
- 40% below market
- Tracked catalog
- 50 products · $
- Cheaper on
- 12 of 12 shared
- COA coverage
- Partial
Isopure Research Peptides is a research-peptide vendor that lists 14 injectable peptides, including Tirzepatide, Ipamorelin and MOTS-c.
- Price vs market median
- 10% below market
- Tracked catalog
- 12 products · $
- Cheaper on
- 0 of 12 shared
- COA coverage
- None found
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Fusion 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 Fusion Peptide
38 products the other vendor does not list
- 5-Amino-1MQ$2.20
- CJC-1295 (no DAC)$2.65
- DSIP$1.95
- Epitalon$1.10
- KPV$2.34
- Melanotan II$1.50
- NAD+$0.12
- Pinealon$2.06
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Fusion Peptide cheaper than Isopure Research Peptides?
- On the 12 products both vendors stock, Fusion Peptide has the lower effective price per mg on 12 and Isopure Research Peptides on 0. 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?
- Fusion Peptide: partial, newest test dated 2026-02-25. Isopure Research Peptides: none found. 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 Fusion Peptide and Isopure Research Peptides?
- Fusion Peptide: accepts card, zelle, cashapp, crypto. Isopure Research Peptides: we have not recorded shipping or payment details yet. Details come from each vendor's own site and can change without notice; check the storefront before ordering.