Peptides Greyhouse vs Soma Peptides
Across the 34 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 18 and Soma Peptides on 16. Peptides Greyhouse lists 94 tracked listings across 62 products; Soma Peptides lists 54 across 35. On certificates of analysis the in-stock products we track rate none found at Peptides Greyhouse and broad at Soma 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.
Peptides Greyhouse is a research-peptide vendor that lists 92 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 7% above market
- Tracked catalog
- 62 products · $$$
- Cheaper on
- 18 of 34 shared
- COA coverage
- None found
Soma Peptides is a US research-peptide vendor that lists 45 injectable peptides and 1 capsule, including SS-31, Pinealon and DSIP.
- Price vs market median
- 24% above market
- Tracked catalog
- 35 products · $$$
- Cheaper on
- 16 of 34 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 Soma 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 Peptides Greyhouse
28 products the other vendor does not list
- 5-Amino-1MQ$4.60
- FOXO4-DRI$27.60
- Adamax$7.50
- Adipotide$7.60
- AICAR$0.96
- ARA-290$5
- Cardiogen$2.25
- Cartalax$2.25
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptides Greyhouse cheaper than Soma Peptides?
- On the 34 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 18 and Soma Peptides on 16. 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?
- Peptides Greyhouse: none found. Soma Peptides: broad, newest test dated 2026-07-28. 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 Peptides Greyhouse and Soma Peptides?
- Peptides Greyhouse: we have not recorded shipping or payment details yet. Soma Peptides: accepts card, ach. Details come from each vendor's own site and can change without notice; check the storefront before ordering.