Vendors

Oros Research vs Peptides Greyhouse

Across the 29 products both vendors stock, Oros Research has the lower effective price per mg on 23 and Peptides Greyhouse on 6. Oros Research lists 45 tracked listings across 31 products; Peptides Greyhouse lists 94 across 62. On certificates of analysis both show none found 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.

Oros Research

Oros Research is a research-peptide vendor that lists 41 injectable peptides and 1 capsule.

Price vs market median
18% below market
Tracked catalog
31 products · $
Cheaper on
23 of 29 shared
COA coverage
None found
Visit Oros Research
Peptides Greyhouse

Peptides Greyhouse is a research-peptide vendor that lists 92 injectable peptides, including Selank, Semax and Epitalon.

Price vs market median
8% above market
Tracked catalog
62 products · $$$
Cheaper on
6 of 29 shared
COA coverage
None found
Visit Peptides Greyhouse

Vendor facts

Detail
Oros Research
Peptides Greyhouse
Sells
41 vials, 1 capsules
92 vials
Storefront
Shopify
—
Domain registered
Feb 2025
—
Tracked by us since
Jul 2026
—
Tracked listings
45 across 31 products
94 across 62 products

Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Oros Research were extracted from the vendor's site and not yet reviewed by us.

Certificates on file

Detail
Oros Research
Peptides Greyhouse
COA coverage
None found
None found
Certificates
0 current
0 current
Labs
—
—
Newest test date
—
—
Third-party tested claim
—
—

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.

Price per mg on shared products

29 products both stock
Product
Oros Research
Peptides Greyhouse
5-Amino-1MQ
$1.30
$4.60
DSIP
$6
$7.50
FOXO4-DRI
$14
$27.60
GHK-Cu
$0.43
$0.88
Ipamorelin
$6
$5.50
KPV
$4
$8.10
MOTS-c
$3.40
$8.50
Pinealon
$2.50
$2.25
PT-141
$3.20
$3.90
Retatrutide
$10
$12.67
TB-500
$6
$12.40
Tesamorelin
$6.40
$9.45
Tirzepatide
$7
$11.83
Adamax
$4.50
$7.50
AOD-9604
$8
$8.50
ARA-290
$3.44
$5
Cartalax
$2.50
$2.25
IGF-LR3
$59.99
$75

Showing 24 of 29 shared products; both full catalogs sit on the vendor pages. The lower price of each pair is highlighted. Prices are the cheapest in-stock listing we track for that product, per mg after any public discount code, and they move daily.

Carried by one vendor only

Only at Oros Research

2 products the other vendor does not list

Only at Peptides Greyhouse

33 products the other vendor does not list

25 more on the Peptides Greyhouse page

Prices shown are per mg for the cheapest in-stock listing we track.

Questions

Is Oros Research cheaper than Peptides Greyhouse?
On the 29 products both vendors stock, Oros Research has the lower effective price per mg on 23 and Peptides Greyhouse on 6. 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?
Oros Research: none found. Peptides Greyhouse: none found. 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?
Oros Research has 31 priced products in the current index and Peptides Greyhouse has 62, 29 of which appear on both catalogs. 2 products are listed only by Oros Research and 33 only by Peptides Greyhouse.

Keep looking

Market tape