Vendors

GlowPeptides vs Peptides Greyhouse

Across the 19 products both vendors stock, GlowPeptides has the lower effective price per mg on 11 and Peptides Greyhouse on 8. GlowPeptides lists 34 tracked listings across 21 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.

GlowPeptides

GlowPeptides is a research-peptide vendor that lists 34 injectable peptides and 13 capsules, including Tirzepatide, FOXO4-DRI and 5-Amino-1MQ.

Price vs market median
11% above market
Tracked catalog
21 products · $$$
Cheaper on
11 of 19 shared
COA coverage
None found
Visit GlowPeptides
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
8 of 19 shared
COA coverage
None found
Visit Peptides Greyhouse

Vendor facts

Detail
GlowPeptides
Peptides Greyhouse
Sells
34 vials, 13 capsules
93 vials
Tracked listings
34 across 21 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
GlowPeptides
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

19 products both stock
Product
GlowPeptides
Peptides Greyhouse
5-Amino-1MQ
$1.96
$4.60
Epitalon
$29.99
$2.50
FOXO4-DRI
$18
$27.60
GHK-Cu
$1.10
$0.88
KPV
$6
$8.10
Melanotan II
$4.50
$3.40
NAD+
$0.12
$0.27
PT-141
$5
$3.90
Retatrutide
$7
$12.67
Selank
$5
$1.90
Semax
$5
$2.40
TB-500
$11
$12.40
Tesamorelin
$8.50
$9.45
Tirzepatide
$3.33
$11.83
AOD-9604
$9.50
$8.50
Glutathione
$0.05
$0.13
Semaglutide
$5
$12.75
SLU-PP-332
$319.80
$9

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 GlowPeptides

2 products the other vendor does not list

Only at Peptides Greyhouse

44 products the other vendor does not list

36 more on the Peptides Greyhouse page

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

Questions

Is GlowPeptides cheaper than Peptides Greyhouse?
On the 19 products both vendors stock, GlowPeptides has the lower effective price per mg on 11 and Peptides Greyhouse on 8. 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?
GlowPeptides: 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?
GlowPeptides has 21 priced products in the current index and Peptides Greyhouse has 63, 19 of which appear on both catalogs. 2 products are listed only by GlowPeptides and 44 only by Peptides Greyhouse.

Keep looking

Market tape