LimitedPeps vs OPS Peptide Science
Across the 16 products both vendors stock, LimitedPeps has the lower effective price per mg on 15 and OPS Peptide Science on 1. LimitedPeps lists 18 tracked listings across 16 products; OPS Peptide Science lists 89 across 45. 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.
LimitedPeps is a research-peptide vendor that lists 18 injectable peptides, including BPC-157, Tirzepatide and Retatrutide.
- Price vs market median
- At market price
- Tracked catalog
- 16 products · $$
- Cheaper on
- 15 of 16 shared
- COA coverage
- None found
OPS Peptide Science is a research-peptide vendor that lists 88 injectable peptides, including GHK-Cu, Tirzepatide and Retatrutide.
- Price vs market median
- 59% above market
- Tracked catalog
- 45 products · $$$
- Cheaper on
- 1 of 16 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
29 products the other vendor does not list
- CJC-1295 (no DAC)$20.50
- DSIP$7.67
- Epitalon$3.40
- Pinealon$5.80
- TB-500$17.50
- Thymosin Alpha-1$20
- ACE-031$200
- Adipotide$43
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is LimitedPeps cheaper than OPS Peptide Science?
- On the 16 products both vendors stock, LimitedPeps has the lower effective price per mg on 15 and OPS Peptide Science on 1. 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?
- LimitedPeps: none found. OPS Peptide Science: 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?
- LimitedPeps has 16 priced products in the current index and OPS Peptide Science has 45, 16 of which appear on both catalogs. 0 products are listed only by LimitedPeps and 29 only by OPS Peptide Science.