Peptide Warehouse vs Peptides Greyhouse
Across the 44 products both vendors stock, Peptide Warehouse has the lower effective price per mg on 13 and Peptides Greyhouse on 31. Peptide Warehouse lists 52 tracked listings across 52 products; Peptides Greyhouse lists 94 across 62. On certificates of analysis both show none found 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.
Peptide Warehouse is a research-peptide vendor that lists 52 injectable peptides, including Retatrutide, CJC-1295 (no DAC) and PT-141.
- Price vs market median
- 22% above market
- Tracked catalog
- 52 products · $$$
- Cheaper on
- 13 of 44 shared
- COA coverage
- None found
Peptides Greyhouse is a research-peptide vendor that lists 92 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 7% above market
- Tracked catalog
- 62 products · $$$
- Cheaper on
- 31 of 44 shared
- COA coverage
- None found
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice.
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 Warehouse
8 products the other vendor does not list
- B7-33$10
- Follistatin$134.99
- Hexarelin$9
- Humanin$14
- Matrixyl$3.70
- Melanotan I$4.40
- P21$8.80
- Triptorelin$25
Only at Peptides Greyhouse
18 products the other vendor does not list
- SS-31$4.67
- Adipotide$7.60
- Cagrilintide$15
- Cardiogen$2.25
- Cartalax$2.25
- Cerebrolysin$0.75
- Chonluten$2.55
- Cortagen$2.25
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptide Warehouse cheaper than Peptides Greyhouse?
- On the 44 products both vendors stock, Peptide Warehouse has the lower effective price per mg on 13 and Peptides Greyhouse on 31. 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 Warehouse: none found. Peptides Greyhouse: none found. 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?
- Peptide Warehouse has 52 priced products in the current index and Peptides Greyhouse has 62, 44 of which appear on both catalogs. 8 products are listed only by Peptide Warehouse and 18 only by Peptides Greyhouse.