Disguised Alpha vs Peptide Works
Across the 35 products both vendors stock, Disguised Alpha has the lower effective price per mg on 15 and Peptide Works on 20. Disguised Alpha lists 78 tracked listings across 48 products; Peptide Works lists 87 across 51. On certificates of analysis both show broad COA coverage of the in-stock products we track. 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.
Disguised Alpha is a US research-peptide vendor based in Irvine, California that lists 72 injectable peptides, 3 capsules and 3 nasal sprays.
- Price vs market median
- At market price
- Tracked catalog
- 48 products · $$
- Cheaper on
- 15 of 35 shared
- COA coverage
- Broad
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
- 20 of 35 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 Disguised Alpha 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 Disguised Alpha
13 products the other vendor does not list
- Retatrutide$4.17
- Tirzepatide$3.17
- Cagrilintide$9
- Cardiogen$3
- Cerebrolysin$0.33
- Dihexa$8
- Humanin$10
- Larazotide$199.98
Only at Peptide Works
16 products the other vendor does not list
- Ipamorelin$5.50
- Adipotide$7.77
- B7-33$9.72
- Bronchogen$2.51
- Follistatin$107.43
- GDF-8 (Myostatin)$106.82
- GHRP-2$2.40
- GHRP-6$2.40
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Disguised Alpha cheaper than Peptide Works?
- On the 35 products both vendors stock, Disguised Alpha has the lower effective price per mg on 15 and Peptide Works on 20. 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?
- Disguised Alpha: broad, newest test dated 2026-09-11. 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 Disguised Alpha and Peptide Works?
- Disguised Alpha: ships from Irvine, CA, 2-5 days in transit, accepts card, zelle, crypto, ach. 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.