OPS Peptide Science vs Peptide Warehouse
Across the 42 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 7 and Peptide Warehouse on 34, and 1 prices the same to the cent. OPS Peptide Science lists 89 tracked listings across 45 products; Peptide Warehouse lists 71 across 59. 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 88 injectable peptides, including Tirzepatide, GHK-Cu and Retatrutide.
- Price vs market median
- 60% above market
- Tracked catalog
- 45 products · $$$
- Cheaper on
- 7 of 42 shared
- COA coverage
- None found
Peptide Warehouse is a research-peptide vendor that lists 60 injectable peptides, including Retatrutide, Epitalon and CJC-1295 (no DAC).
- Price vs market median
- 9% above market
- Tracked catalog
- 59 products · $$$
- Cheaper on
- 34 of 42 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
3 products the other vendor does not list
- Cerebrolysin$0.92
- Dermorphin$14
- GDF-8 (Myostatin)$190
Only at Peptide Warehouse
17 products the other vendor does not list
9 more on the Peptide Warehouse pagePrices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is OPS Peptide Science cheaper than Peptide Warehouse?
- On the 42 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 7 and Peptide Warehouse on 34, 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. Peptide Warehouse: 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 45 priced products in the current index and Peptide Warehouse has 59, 42 of which appear on both catalogs. 3 products are listed only by OPS Peptide Science and 17 only by Peptide Warehouse.