Peptide Supply Co vs Peptides Exchange
Across the 24 products both vendors stock, Peptide Supply Co has the lower effective price per mg on 2 and Peptides Exchange on 22. Peptide Supply Co lists 71 tracked listings across 56 products; Peptides Exchange lists 35 across 24. On certificates of analysis the in-stock products we track rate broad at Peptide Supply Co and none found at Peptides Exchange. 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.
Peptide Supply Co is a US research-peptide vendor that lists 69 injectable peptides, 11 blends and 1 capsule.
- Price vs market median
- 22% below market
- Tracked catalog
- 56 products · $
- Cheaper on
- 2 of 24 shared
- COA coverage
- Broad
Peptides Exchange is a research-peptide vendor that lists 35 injectable peptides, including Retatrutide, Tirzepatide and BPC-157.
- Price vs market median
- 66% below market
- Tracked catalog
- 24 products · $
- Cheaper on
- 22 of 24 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 Peptide Supply Co 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 Peptide Supply Co
32 products the other vendor does not list
- CJC-1295 (no DAC)$5.50
- Pinealon$3.50
- Thymosin Alpha-1$7
- Cagrilintide$8.50
- Cardiogen$2.50
- Cartalax$2.50
- CJC-1295 (with DAC)$10
- GHK-Cu + KPV$0.93
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptide Supply Co cheaper than Peptides Exchange?
- On the 24 products both vendors stock, Peptide Supply Co has the lower effective price per mg on 2 and Peptides Exchange on 22. 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?
- Peptide Supply Co: broad, newest test dated 2026-09-11. Peptides Exchange: 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 Peptide Supply Co and Peptides Exchange?
- Peptide Supply Co: shipping free, 2-2 days in transit. Peptides Exchange: 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.