Peptide Works vs Pure Lab Peptides
Across the 36 products both vendors stock, Peptide Works has the lower effective price per mg on 28 and Pure Lab Peptides on 8. Peptide Works lists 87 tracked listings across 51 products; Pure Lab Peptides lists 79 across 57. On certificates of analysis the in-stock products we track rate broad at Peptide Works and partial at Pure Lab 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.
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
- 28 of 36 shared
- COA coverage
- Broad
Pure Lab Peptides is a US research-peptide vendor that lists 79 injectable peptides, including Semax, Selank and CJC-1295 (no DAC).
- Price vs market median
- 25% above market
- Tracked catalog
- 57 products · $$$
- Cheaper on
- 8 of 36 shared
- COA coverage
- Partial
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 Works and Pure Lab Peptides 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 Works
15 products the other vendor does not list
- Thymosin Alpha-1$6.81
- ACE-031$116.79
- B7-33$9.72
- Bronchogen$2.51
- Follistatin$107.43
- GDF-8 (Myostatin)$106.82
- Hexarelin$7.27
- MGF$10.63
Only at Pure Lab Peptides
21 products the other vendor does not list
- NAD+$0.32
- Retatrutide$13
- Tirzepatide$15.33
- Cagrilintide$15
- Cardiogen$2.75
- Cerebrolysin$0.83
- Chonluten$2.75
- Cortagen$2.75
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptide Works cheaper than Pure Lab Peptides?
- On the 36 products both vendors stock, Peptide Works has the lower effective price per mg on 28 and Pure Lab Peptides on 8. 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 Works: broad, newest test dated 2025-09-21. Pure Lab Peptides: partial, newest test dated 2026-08-12. 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 Works and Pure Lab Peptides?
- Peptide Works: accepts card, zelle, wire, crypto. Pure Lab Peptides: ships from United States, accepts card, zelle, venmo, cashapp. Details come from each vendor's own site and can change without notice; check the storefront before ordering.