GenPeptide vs Modern Research Peptides
Across the 22 products both vendors stock, GenPeptide has the lower effective price per mg on 2 and Modern Research Peptides on 19, and 1 prices the same to the cent. GenPeptide lists 32 tracked listings across 23 products; Modern Research Peptides lists 83 across 44. On certificates of analysis the in-stock products we track rate none found at GenPeptide and broad at Modern Research Peptides. 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.
GenPeptide is a research-peptide vendor that lists 32 injectable peptides, including BPC-157, Thymosin Alpha-1 and TB-500.
- Price vs market median
- 25% below market
- Tracked catalog
- 23 products · $
- Cheaper on
- 2 of 22 shared
- COA coverage
- None found
Modern Research Peptides is a US research-peptide vendor that lists 79 injectable peptides, including Retatrutide, BPC-157 and NAD+.
- Price vs market median
- 33% below market
- Tracked catalog
- 44 products · $
- Cheaper on
- 19 of 22 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 Modern Research Peptides 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
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is GenPeptide cheaper than Modern Research Peptides?
- On the 22 products both vendors stock, GenPeptide has the lower effective price per mg on 2 and Modern Research Peptides on 19, 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?
- GenPeptide: none found. Modern Research Peptides: broad, newest test dated 2026-07-13. 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 GenPeptide and Modern Research Peptides?
- GenPeptide: we have not recorded shipping or payment details yet. Modern Research Peptides: shipping $9.99. Details come from each vendor's own site and can change without notice; check the storefront before ordering.