Licensed Peptides vs Peptide Works
Across the 34 products both vendors stock, Licensed Peptides has the lower effective price per mg on 7 and Peptide Works on 27. Licensed Peptides lists 73 tracked listings across 38 products; Peptide Works lists 90 across 54. On certificates of analysis the in-stock products we track rate limited at Licensed 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.
Licensed Peptides is a US research-peptide vendor based in Boca Raton, FL that lists 69 injectable peptides, 2 capsules and 2 nasal sprays.
- Price vs market median
- 39% above market
- Tracked catalog
- 38 products · $$$
- Cheaper on
- 7 of 34 shared
- COA coverage
- Limited
Peptide Works is a research-peptide vendor that lists 89 injectable peptides, including Melanotan II, PT-141 and Selank.
- Price vs market median
- 15% below market
- Tracked catalog
- 54 products · $
- Cheaper on
- 27 of 34 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 Licensed 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 Licensed Peptides
4 products the other vendor does not list
- Retatrutide$5.17
- Tirzepatide$4.60
- Cagrilintide$12.30
- Dihexa$13
Only at Peptide Works
20 products the other vendor does not list
- ACE-031$116.79
- Adipotide$7.77
- AICAR$0.66
- B7-33$9.72
- Bronchogen$2.51
- Follistatin$107.43
- GDF-8 (Myostatin)$106.82
- GHRP-2$2.40
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Licensed Peptides cheaper than Peptide Works?
- On the 34 products both vendors stock, Licensed Peptides has the lower effective price per mg on 7 and Peptide Works on 27. 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?
- Licensed Peptides: limited, newest test dated 2026-01-29. 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 Licensed Peptides and Peptide Works?
- Licensed Peptides: ships from Boca Raton, FL (US, GMP-certified facilities), 1-2 days in transit. 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.