Vendors

Peptides Greyhouse vs Skye Peptides

Across the 35 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 15 and Skye Peptides on 20. Peptides Greyhouse lists 93 tracked listings across 63 products; Skye Peptides lists 97 across 40. On certificates of analysis the in-stock products we track rate none found at Peptides Greyhouse and limited at Skye 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

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
15 of 35 shared
COA coverage
None found
Visit Peptides Greyhouse
Skye Peptides

Skye Peptides is a US research-peptide vendor based in Los Angeles, California that lists 56 injectable peptides and 3 tablets.

Price vs market median
7% above market
Tracked catalog
40 products · $$$
Cheaper on
20 of 35 shared
COA coverage
Limited
Visit Skye Peptides

Vendor facts

Detail
Peptides Greyhouse
Skye Peptides
Sells
93 vials
56 vials, 3 tablets
Location
—
Los Angeles, California, US
Payment
—
card
Storefront
—
WooCommerce
Tracked by us since
—
Jul 2026
Tracked listings
93 across 63 products
97 across 40 products

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

Certificates on file

Detail
Peptides Greyhouse
Skye Peptides
COA coverage
None found
Limited
Certificates
0 current
9 current
Labs
—
2 named, most from MZ Biolabs
Newest test date
—
Jun 15, 2026
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

35 products both stock
Product
Peptides Greyhouse
Skye Peptides
5-Amino-1MQ
$4.60
$1.78
BPC-157
$8
$4.20
DSIP
$7.50
$9.80
Epitalon
$2.50
$2.58
FOXO4-DRI
$27.60
$11.06
GHK-Cu
$0.88
$0.69
Ipamorelin
$5.50
$5.52
KPV
$8.10
$4.50
Melanotan II
$3.40
$4.90
MOTS-c
$8.50
$2.97
Pinealon
$2.25
$2.82
PT-141
$3.90
$4.40
Retatrutide
$12.67
$8.29
Selank
$1.90
$7.90
Semax
$2.40
$2.30
TB-500
$12.40
$5.16
Tesamorelin
$9.45
$4.13
Thymosin Alpha-1
$10.50
$7.90
Tirzepatide
$11.83
$39.30
Adamax
$7.50
$6.90
AOD-9604
$8.50
$11.50
ARA-290
$5
$5.25
Cagrilintide
$15
$14.90

Showing 24 of 35 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 Peptides Greyhouse

28 products the other vendor does not list

20 more on the Peptides Greyhouse page

Only at Skye Peptides

5 products 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 Skye Peptides?
On the 35 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 15 and Skye Peptides on 20. 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. Skye Peptides: limited, newest test dated 2026-06-15. 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 Skye Peptides?
Peptides Greyhouse: we have not recorded shipping or payment details yet. Skye Peptides: accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

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