Vendors

Orion Peptides vs Peptides Greyhouse

Across the 29 products both vendors stock, Orion Peptides has the lower effective price per mg on 17 and Peptides Greyhouse on 12. Orion Peptides lists 54 tracked listings across 30 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.

Orion Peptides

Orion Peptides is a research-peptide vendor that lists 54 injectable peptides, including DSIP, GHK-Cu and MOTS-c.

Price vs market median
18% above market
Tracked catalog
30 products · $$$
Cheaper on
17 of 29 shared
COA coverage
None found
Visit Orion Peptides
Peptides Greyhouse

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
12 of 29 shared
COA coverage
None found
Visit Peptides Greyhouse

Vendor facts

Detail
Orion Peptides
Peptides Greyhouse
Sells
54 vials
92 vials
Tracked listings
54 across 30 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.

Certificates on file

Detail
Orion Peptides
Peptides Greyhouse
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

29 products both stock
Product
Orion Peptides
Peptides Greyhouse
5-Amino-1MQ
$7.20
$4.60
BPC-157
$6.80
$8
DSIP
$3.40
$7.50
Epitalon
$4.30
$2.50
GHK-Cu
$0.47
$0.88
Ipamorelin
$9
$5.50
KPV
$4.90
$8.10
MOTS-c
$2.75
$8.50
NAD+
$0.17
$0.27
PT-141
$4.90
$3.90
Retatrutide
$7.25
$12.67
Selank
$6.60
$1.90
Semax
$6.10
$2.40
SS-31
$8.50
$4.67
TB-500
$6
$12.40
Thymosin Alpha-1
$10.60
$10.50
Tirzepatide
$4.93
$11.83
AOD-9604
$8.20
$8.50
GHRP-6
$3.40
$22.50
Glutathione
$0.05
$0.13
IGF-LR3
$180
$75
Kisspeptin-10
$7.80
$9.90

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 Orion Peptides

1 product 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 Orion Peptides cheaper than Peptides Greyhouse?
On the 29 products both vendors stock, Orion Peptides has the lower effective price per mg on 17 and Peptides Greyhouse on 12. 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?
Orion Peptides: 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?
Orion Peptides has 30 priced products in the current index and Peptides Greyhouse has 62, 29 of which appear on both catalogs. 1 product are listed only by Orion Peptides and 33 only by Peptides Greyhouse.

Keep looking

Market tape