Vendors

Peptides Greyhouse vs Pure Compounding Labs

Across the 9 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 3 and Pure Compounding Labs on 6. Peptides Greyhouse lists 94 tracked listings across 62 products; Pure Compounding Labs lists 18 across 9. 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 92 injectable peptides, including Selank, Semax and Epitalon.

Price vs market median
8% above market
Tracked catalog
62 products · $$$
Cheaper on
3 of 9 shared
COA coverage
None found
Visit Peptides Greyhouse
Pure Compounding Labs

Pure Compounding Labs is a research-peptide vendor that lists 16 injectable peptides, including Tirzepatide, Retatrutide and BPC-157.

Price vs market median
63% below market
Tracked catalog
9 products · $
Cheaper on
6 of 9 shared
COA coverage
None found
Visit Pure Compounding Labs

Vendor facts

Detail
Peptides Greyhouse
Pure Compounding Labs
Sells
92 vials
16 vials
Tracked listings
94 across 62 products
18 across 9 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
Pure Compounding Labs
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

9 products both stock
Product
Peptides Greyhouse
Pure Compounding Labs
GHK-Cu
$0.88
$0.60
Ipamorelin
$5.50
$7
MOTS-c
$8.50
$7
Retatrutide
$12.67
$2.37
Semax
$2.40
$6
Tirzepatide
$11.83
$0.87
Semaglutide
$12.75
$2.68
Sermorelin
$7.50
$12

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

53 products the other vendor does not list

45 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 Pure Compounding Labs?
On the 9 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 3 and Pure Compounding Labs 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?
Peptides Greyhouse: none found. Pure Compounding Labs: 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 62 priced products in the current index and Pure Compounding Labs has 9, 9 of which appear on both catalogs. 53 products are listed only by Peptides Greyhouse and 0 only by Pure Compounding Labs.

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