Vendors

Peptides Greyhouse vs Tetrava Labs

Across the 44 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 24 and Tetrava Labs on 19, and 1 prices the same to the cent. Peptides Greyhouse lists 93 tracked listings across 63 products; Tetrava Labs lists 99 across 51. 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
24 of 44 shared
COA coverage
None found
Visit Peptides Greyhouse
Tetrava Labs

Tetrava Labs is a research-peptide vendor that lists 99 injectable peptides, 1 capsule and 2 nasal sprays.

Price vs market median
13% above market
Tracked catalog
51 products · $$$
Cheaper on
19 of 44 shared
COA coverage
None found
Visit Tetrava Labs

Vendor facts

Detail
Peptides Greyhouse
Tetrava Labs
Sells
93 vials
99 vials, 1 capsules, 2 sprays
Tracked listings
93 across 63 products
99 across 51 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
Tetrava 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

44 products both stock
Product
Peptides Greyhouse
Tetrava Labs
5-Amino-1MQ
$4.60
$4.90
BPC-157
$8
$6.90
DSIP
$7.50
$4.50
Epitalon
$2.50
$2.40
FOXO4-DRI
$27.60
$14.90
GHK-Cu
$0.88
$0.59
Ipamorelin
$5.50
$5.90
KPV
$8.10
$5.50
Melanotan II
$3.40
$3.50
MOTS-c
$8.50
$5
NAD+
$0.27
$0.15
Pinealon
$2.25
$7.50
Retatrutide
$12.67
$9.09
Selank
$1.90
$7
Semax
$2.40
$7
SS-31
$4.67
$3.98
TB-500
$12.40
$8.90
Tesamorelin
$9.45
$11.95
Thymosin Alpha-1
$10.50
$11.80
Tirzepatide
$11.83
$8.58
Adamax
$7.50
$7.90
Adipotide
$7.60
$14.50
AICAR
$0.96
$1.10

Showing 24 of 44 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

19 products the other vendor does not list

11 more on the Peptides Greyhouse page

Only at Tetrava Labs

7 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 Tetrava Labs?
On the 44 products both vendors stock, Peptides Greyhouse has the lower effective price per mg on 24 and Tetrava Labs on 19, with 1 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. Tetrava 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 63 priced products in the current index and Tetrava Labs has 51, 44 of which appear on both catalogs. 19 products are listed only by Peptides Greyhouse and 7 only by Tetrava Labs.

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