Vendors

Peptides Greyhouse vs Solara Compounds

Across the 19 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 4 and Solara Compounds on 15. Peptides Greyhouse lists 93 tracked listings across 63 products; Solara Compounds lists 27 across 19. 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.

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
4 of 19 shared
COA coverage
None found
Visit Peptides Greyhouse
Solara Compounds

Solara Compounds is a research-peptide vendor that lists 27 injectable peptides, including Retatrutide, Tirzepatide and Thymosin Alpha-1.

Price vs market median
18% below market
Tracked catalog
19 products · $
Cheaper on
15 of 19 shared
COA coverage
None found
Visit Solara Compounds

Vendor facts

Detail
Peptides Greyhouse
Solara Compounds
Sells
93 vials
27 vials
Tracked listings
93 across 63 products
27 across 19 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
Peptides Greyhouse
Solara Compounds
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
Peptides Greyhouse
Solara Compounds
5-Amino-1MQ
$4.60
$1.80
BPC-157
$8
$4.50
DSIP
$7.50
$4.30
GHK-Cu
$0.88
$0.45
Ipamorelin
$5.50
$6
KPV
$8.10
$4
Melanotan II
$3.40
$4.30
MOTS-c
$8.50
$2.75
NAD+
$0.27
$0.08
PT-141
$3.90
$4.70
Retatrutide
$12.67
$2.50
Selank
$1.90
$4.50
TB-500
$12.40
$4.25
Thymosin Alpha-1
$10.50
$5.50
Tirzepatide
$11.83
$3
IGF-LR3
$75
$59.99

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

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 Peptides Greyhouse cheaper than Solara Compounds?
On the 19 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 4 and Solara Compounds on 15. 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. Solara Compounds: 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?
Peptides Greyhouse has 63 priced products in the current index and Solara Compounds has 19, 19 of which appear on both catalogs. 44 products are listed only by Peptides Greyhouse and 0 only by Solara Compounds.

Keep looking

Market tape