Liberty Peptides vs Peptide Works
Across the 33 products both vendors stock, Liberty Peptides has the lower effective price per mg on 17 and Peptide Works on 16. Liberty Peptides lists 58 tracked listings across 46 products; Peptide Works lists 87 across 51. On certificates of analysis the in-stock products we track rate partial at Liberty Peptides and broad at Peptide Works. 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.
Liberty Peptides is a US research-peptide vendor based in Wilmington, DE that lists 56 injectable peptides.
- Price vs market median
- 2% below market
- Tracked catalog
- 46 products · $$
- Cheaper on
- 17 of 33 shared
- COA coverage
- Partial
Peptide Works is a research-peptide vendor that lists 85 injectable peptides, including Selank, PT-141 and Melanotan II.
- Price vs market median
- 14% below market
- Tracked catalog
- 51 products · $
- Cheaper on
- 16 of 33 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 Liberty Peptides and Peptide Works 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 Liberty Peptides
13 products the other vendor does not list
5 more on the Liberty Peptides pageOnly at Peptide Works
18 products the other vendor does not list
- ACE-031$116.79
- Adamax$10.93
- Adipotide$7.77
- AICAR$0.66
- B7-33$9.72
- Bronchogen$2.51
- CJC-1295 (with DAC)$10.72
- Follistatin$107.43
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Liberty Peptides cheaper than Peptide Works?
- On the 33 products both vendors stock, Liberty Peptides has the lower effective price per mg on 17 and Peptide Works on 16. 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?
- Liberty Peptides: partial, newest test dated 2025-12-12. Peptide Works: broad, newest test dated 2025-09-21. 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 Liberty Peptides and Peptide Works?
- Liberty Peptides: we have not recorded shipping or payment details yet. Peptide Works: accepts card, zelle, wire, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.