Core Peptides Direct vs Peptide Partners
Across the 21 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 3 and Peptide Partners on 18. Core Peptides Direct lists 70 tracked listings across 51 products; Peptide Partners lists 116 across 21. On certificates of analysis the in-stock products we track rate none found at Core Peptides Direct and broad at Peptide Partners. 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.
Core Peptides Direct is a research-peptide vendor that lists 68 injectable peptides, including BPC-157, 5-Amino-1MQ and GHK-Cu.
- Price vs market median
- 18% below market
- Tracked catalog
- 51 products · $
- Cheaper on
- 3 of 21 shared
- COA coverage
- None found
Peptide Partners is a US research-peptide vendor based in Sarasota, FL that lists 85 injectable peptides.
- Price vs market median
- 3% above market
- Tracked catalog
- 21 products · $$
- Cheaper on
- 18 of 21 shared
- COA coverage
- Broad
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 Partners 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 Core Peptides Direct
30 products the other vendor does not list
- FOXO4-DRI$13
- GHK-Cu$0.35
- Melanotan II$3.30
- NAD+$0.07
- Selank$1.80
- TB-500$5
- Thymosin Alpha-1$6.30
- Adamax$6.40
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Core Peptides Direct cheaper than Peptide Partners?
- On the 21 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 3 and Peptide Partners on 18. 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?
- Core Peptides Direct: none found. Peptide Partners: broad, newest test dated 2026-10-01. 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.
- What does each vendor carry?
- Core Peptides Direct has 51 priced products in the current index and Peptide Partners has 21, 21 of which appear on both catalogs. 30 products are listed only by Core Peptides Direct and 0 only by Peptide Partners.