Liberty Peptides vs peptira
Across the 30 products both vendors stock, Liberty Peptides has the lower effective price per mg on 14 and peptira on 14, and 2 price the same to the cent. Liberty Peptides lists 58 tracked listings across 46 products; peptira lists 61 across 40. On certificates of analysis both show partial 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.
Liberty Peptides is a US research-peptide vendor based in Wilmington, DE that lists 56 injectable peptides.
- Price vs market median
- 2% below market
- Tracked catalog
- 46 products · $$
- Cheaper on
- 14 of 30 shared
- COA coverage
- Partial
peptira is a US research-peptide vendor based in Chadron, NE that lists 51 injectable peptides, including TB-500, SS-31 and FOXO4-DRI.
- Price vs market median
- 6% above market
- Tracked catalog
- 40 products · $$$
- Cheaper on
- 14 of 30 shared
- COA coverage
- Partial
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Liberty Peptides and peptira were extracted from the vendor's site and not yet reviewed by us.
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 Liberty Peptides
16 products the other vendor does not list
8 more on the Liberty Peptides pageOnly at peptira
10 products the other vendor does not list
- Retatrutide$5.97
- Tirzepatide$3.32
- Adamax$6.90
- CJC-1295 (with DAC)$7.80
- Cortagen$3.45
- Glutathione$0.06
- PE-22-28$4.90
- Semaglutide$5.95
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Liberty Peptides cheaper than peptira?
- On the 30 products both vendors stock, Liberty Peptides has the lower effective price per mg on 14 and peptira on 14, with 2 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?
- Liberty Peptides: partial, newest test dated 2025-12-12. peptira: partial, newest test dated 2026-07-03. 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?
- Liberty Peptides has 46 priced products in the current index and peptira has 40, 30 of which appear on both catalogs. 16 products are listed only by Liberty Peptides and 10 only by peptira.