Peptides Greyhouse vs Red Rock Peptides
Across the 23 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 11 and Red Rock Peptides on 12. Peptides Greyhouse lists 93 tracked listings across 63 products; Red Rock Peptides lists 34 across 23. 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.
Peptides Greyhouse is a research-peptide vendor that lists 93 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 7% above market
- Tracked catalog
- 63 products · $$$
- Cheaper on
- 11 of 23 shared
- COA coverage
- None found
Red Rock Peptides is a research-peptide vendor that lists 34 injectable peptides, including Tirzepatide, Tesamorelin and SS-31.
- Price vs market median
- 39% above market
- Tracked catalog
- 23 products · $$$
- Cheaper on
- 12 of 23 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
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptides Greyhouse cheaper than Red Rock Peptides?
- On the 23 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 11 and Red Rock Peptides on 12. 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?
- Peptides Greyhouse: none found. Red Rock Peptides: 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?
- Peptides Greyhouse has 63 priced products in the current index and Red Rock Peptides has 23, 23 of which appear on both catalogs. 40 products are listed only by Peptides Greyhouse and 0 only by Red Rock Peptides.