Vendors

Peptides Greyhouse vs Roehn

Across the 21 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 20 and Roehn on 1. Peptides Greyhouse lists 93 tracked listings across 63 products; Roehn lists 42 across 22. 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.

Peptides Greyhouse

Peptides Greyhouse is a research-peptide vendor that lists 93 injectable peptides, including Selank, Semax and Epitalon.

Price vs market median
7% above market
Tracked catalog
63 products · $$$
Cheaper on
20 of 21 shared
COA coverage
None found
Visit Peptides Greyhouse
Roehn

Roehn is a research-peptide vendor that lists 42 injectable peptides and 2 nasal sprays, including Tesamorelin, Epitalon and Thymosin Alpha-1.

Price vs market median
201% above market
Tracked catalog
22 products · $$$
Cheaper on
1 of 21 shared
COA coverage
None found
Visit Roehn

Vendor facts

Detail
Peptides Greyhouse
Roehn
Sells
93 vials
42 vials, 2 sprays
Tracked listings
93 across 63 products
42 across 22 products

Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice.

Certificates on file

Detail
Peptides Greyhouse
Roehn
COA coverage
None found
None found
Certificates
0 current
0 current
Labs
—
—
Newest test date
—
—

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

21 products both stock
Product
Peptides Greyhouse
Roehn
5-Amino-1MQ
$4.60
$15.90
BPC-157
$8
$19.50
Epitalon
$2.50
$4.98
GHK-Cu
$0.88
$3.50
KPV
$8.10
$13.90
MOTS-c
$8.50
$14.50
NAD+
$0.27
$0.28
Pinealon
$2.25
$8.95
PT-141
$3.90
$19.50
Retatrutide
$12.67
$18
SS-31
$4.67
$17.90
TB-500
$12.40
$18
Tesamorelin
$9.45
$16.90
Thymosin Alpha-1
$10.50
$18.90
Tirzepatide
$11.83
$8.82
Cartalax
$2.25
$8.95
Glutathione
$0.13
$0.70
Kisspeptin-10
$9.90
$18.90
LL-37
$16
$31.80
Semaglutide
$12.75
$19.87
SLU-PP-332
$9
$19.90

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 Peptides Greyhouse

42 products the other vendor does not list

34 more on the Peptides Greyhouse page

Only at Roehn

1 product the other vendor does not list

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

Questions

Is Peptides Greyhouse cheaper than Roehn?
On the 21 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 20 and Roehn on 1. 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. Roehn: 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?
Peptides Greyhouse has 63 priced products in the current index and Roehn has 22, 21 of which appear on both catalogs. 42 products are listed only by Peptides Greyhouse and 1 only by Roehn.

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