Vendors

Peptides Greyhouse vs Protide Health

Across the 34 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 19 and Protide Health on 13, and 2 price the same to the cent. Peptides Greyhouse lists 94 tracked listings across 62 products; Protide Health lists 56 across 38. On certificates of analysis the in-stock products we track rate none found at Peptides Greyhouse and broad at Protide Health. 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 92 injectable peptides, including Selank, Semax and Epitalon.

Price vs market median
7% above market
Tracked catalog
62 products · $$$
Cheaper on
19 of 34 shared
COA coverage
None found
Visit Peptides Greyhouse
Protide Health

Protide Health is a US research-peptide vendor that lists 54 injectable peptides, including Tesamorelin, BPC-157 and Melanotan II.

Price vs market median
30% above market
Tracked catalog
38 products · $$$
Cheaper on
13 of 34 shared
COA coverage
Broad
Visit Protide Health

Vendor facts

Detail
Peptides Greyhouse
Protide Health
Sells
92 vials
54 vials
Location
—
US
Ships from
—
US fulfillment facility
In transit
—
2-3 days
Free over
—
$199
Payment
—
card
Storefront
—
woocommerce
Tracked by us since
—
Aug 2026
Tracked listings
94 across 62 products
56 across 38 products

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

Certificates on file

Detail
Peptides Greyhouse
Protide Health
COA coverage
None found
Broad
Certificates
0 current
34 current
Labs
—
1 named, most from Freedom Diagnostics
Newest test date
—
Sep 22, 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

34 products both stock
Product
Peptides Greyhouse
Protide Health
5-Amino-1MQ
$4.60
$2.20
BPC-157
$8
$4.88
DSIP
$7.50
$10
Epitalon
$2.50
$7.50
GHK-Cu
$0.88
$0.65
Ipamorelin
$5.50
$6
KPV
$8.10
$7
MOTS-c
$8.50
$4.88
NAD+
$0.27
$0.20
Pinealon
$2.25
$3.50
PT-141
$3.90
$5.50
Retatrutide
$12.67
$5.50
Selank
$1.90
$6.50
Semax
$2.40
$6
TB-500
$12.40
$8.50
Thymosin Alpha-1
$10.50
$10.50
Tirzepatide
$11.83
$6.67
Adamax
$7.50
$8.50
AOD-9604
$8.50
$12
Cagrilintide
$15
$15.50

Showing 24 of 34 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 Protide Health

4 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 Protide Health?
On the 34 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 19 and Protide Health on 13, with 2 priced the same to the cent. 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. Protide Health: broad, newest test dated 2026-09-22. 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 Protide Health?
Peptides Greyhouse: we have not recorded shipping or payment details yet. Protide Health: ships from US fulfillment facility, 2-3 days in transit, accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

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