OPS Peptide Science vs Peptides Greyhouse
Across the 38 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 10 and Peptides Greyhouse on 27, and 1 prices the same to the cent. OPS Peptide Science lists 89 tracked listings across 46 products; Peptides Greyhouse lists 93 across 63. 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.
OPS Peptide Science is a research-peptide vendor that lists 89 injectable peptides, including GHK-Cu, Tirzepatide and Retatrutide.
- Price vs market median
- 57% above market
- Tracked catalog
- 46 products · $$$
- Cheaper on
- 10 of 38 shared
- COA coverage
- None found
Peptides Greyhouse is a research-peptide vendor that lists 93 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 7% above market
- Tracked catalog
- 63 products · $$$
- Cheaper on
- 27 of 38 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 OPS Peptide Science
8 products the other vendor does not list
- ACE-031$200
- Dermorphin$14
- Dihexa$12.90
- GDF-8 (Myostatin)$190
- Hexarelin$21
- Melanotan I$6.50
- Triptorelin$17.50
- Vasoactive Intestinal Peptide (VIP)$16
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is OPS Peptide Science cheaper than Peptides Greyhouse?
- On the 38 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 10 and Peptides Greyhouse on 27, with 1 priced the same to the cent. 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?
- OPS Peptide Science: 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?
- OPS Peptide Science has 46 priced products in the current index and Peptides Greyhouse has 63, 38 of which appear on both catalogs. 8 products are listed only by OPS Peptide Science and 25 only by Peptides Greyhouse.