Vendors

Peptide Giants vs Peptides Greyhouse

Across the 36 products both vendors stock, Peptide Giants has the lower effective price per mg on 30 and Peptides Greyhouse on 6. Peptide Giants lists 72 tracked listings across 39 products; Peptides Greyhouse lists 93 across 63. 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.

Peptide Giants

Peptide Giants is a research-peptide vendor that lists 72 injectable peptides, including 5-Amino-1MQ, Epitalon and BPC-157.

Price vs market median
26% below market
Tracked catalog
39 products · $
Cheaper on
30 of 36 shared
COA coverage
None found
Visit Peptide Giants
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
6 of 36 shared
COA coverage
None found
Visit Peptides Greyhouse

Vendor facts

Detail
Peptide Giants
Peptides Greyhouse
Sells
72 vials
93 vials
Tracked listings
72 across 39 products
93 across 63 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
Peptide Giants
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

36 products both stock
Product
Peptide Giants
Peptides Greyhouse
BPC-157
$3.60
$8
DSIP
$3.80
$7.50
Epitalon
$1.30
$2.50
FOXO4-DRI
$20
$27.60
GHK-Cu
$0.48
$0.88
Ipamorelin
$3.95
$5.50
KPV
$3.50
$8.10
MOTS-c
$2.75
$8.50
NAD+
$0.07
$0.27
PT-141
$3.20
$3.90
Retatrutide
$3.58
$12.67
Selank
$5
$1.90
Semax
$3.80
$2.40
SS-31
$3
$4.67
TB-500
$4.80
$12.40
Tesamorelin
$4.50
$9.45
Thymosin Alpha-1
$6.50
$10.50
Tirzepatide
$1.63
$11.83
Adipotide
$9
$7.60
AICAR
$0.78
$0.96
AOD-9604
$6
$8.50

Showing 24 of 36 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 Peptide Giants

3 products the other vendor does not list

Only at Peptides Greyhouse

27 products the other vendor does not list

19 more on the Peptides Greyhouse page

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

Questions

Is Peptide Giants cheaper than Peptides Greyhouse?
On the 36 products both vendors stock, Peptide Giants has the lower effective price per mg on 30 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?
Peptide Giants: 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?
Peptide Giants has 39 priced products in the current index and Peptides Greyhouse has 63, 36 of which appear on both catalogs. 3 products are listed only by Peptide Giants and 27 only by Peptides Greyhouse.

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Market tape