Liberty Peptides vs Modern Aminos
Across the 30 products both vendors stock, Liberty Peptides has the lower effective price per mg on 13 and Modern Aminos on 17. Liberty Peptides lists 58 tracked listings across 46 products; Modern Aminos lists 61 across 34. On certificates of analysis the in-stock products we track rate partial at Liberty Peptides and broad at Modern Aminos. 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 · $$
- Cheaper on
- 13 of 30 shared
- COA coverage
- Partial
Modern Aminos is a US research-peptide vendor based in Garden City, Idaho that lists 46 injectable peptides.
- Price vs market median
- 2% below market
- Tracked catalog
- 34 products · $$
- Cheaper on
- 17 of 30 shared
- COA coverage
- Broad
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 Modern Aminos 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 Modern Aminos
4 products the other vendor does not list
- CJC-1295 (with DAC)$10.40
- Glutathione$0.09
- MK-677$3.56
- Thymagen$3.45
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Liberty Peptides cheaper than Modern Aminos?
- On the 30 products both vendors stock, Liberty Peptides has the lower effective price per mg on 13 and Modern Aminos on 17. 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. Modern Aminos: broad, newest test dated 2026-08-27. 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.
- How do shipping and payment differ between Liberty Peptides and Modern Aminos?
- Liberty Peptides: we have not recorded shipping or payment details yet. Modern Aminos: ships from Garden City, Idaho, 2-5 days in transit, accepts card, ach, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.