House of Compounds vs Modern Research Peptides
Across the 31 products both vendors stock, House of Compounds has the lower effective price per mg on 2 and Modern Research Peptides on 29. House of Compounds lists 54 tracked listings across 32 products; Modern Research Peptides lists 83 across 44. On certificates of analysis the in-stock products we track rate none found at House of Compounds 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.
House of Compounds is a research-peptide vendor that lists 54 injectable peptides, including Epitalon, KPV and DSIP.
- Price vs market median
- 16% above market
- Tracked catalog
- 32 products · $$$
- Cheaper on
- 2 of 31 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
- 29 of 31 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
Only at Modern Research Peptides
13 products the other vendor does not list
- Cardiogen$2.29
- Cartalax$2.30
- GHRP-2$3
- Gonadorelin$6.60
- Hexarelin$14
- L-Carnitine$0.07
- Matrixyl$6
- Melanotan I$2.37
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is House of Compounds cheaper than Modern Research Peptides?
- On the 31 products both vendors stock, House of Compounds has the lower effective price per mg on 2 and Modern Research Peptides on 29. 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?
- House of Compounds: 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 House of Compounds and Modern Research Peptides?
- House of Compounds: 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.