Vendors

Grey Axis Research vs Umbrella Labs

Across the 1 product both vendors stock, Grey Axis Research has the lower effective price per mg on 1 and Umbrella Labs on 0. Grey Axis Research lists 59 tracked listings across 1 product; Umbrella Labs lists 146 across 84. On certificates of analysis the in-stock products we track rate none found at Grey Axis Research and broad at Umbrella Labs. 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.

We hold limited price data for Grey Axis Research, so parts of this comparison are thinner than usual.

Grey Axis Research

Grey Axis Research is a US research-peptide vendor based in Fort Worth, TX that lists 5 injectable peptides, including Retatrutide.

Price vs market median
47% below market
Tracked catalog
1 products · $
Cheaper on
1 of 1 shared
COA coverage
None found
Visit Grey Axis Research
Umbrella Labs

Umbrella Labs is a US research-peptide vendor that lists 118 injectable peptides and 26 blends, including KPV, FOXO4-DRI and MOTS-c.

Price vs market median
21% above market
Tracked catalog
84 products · $$$
Cheaper on
0 of 1 shared
COA coverage
Broad
Visit Umbrella Labs

Vendor facts

Detail
Grey Axis Research
Umbrella Labs
Sells
5 vials
118 vials, 26 blends
Location
Fort Worth, TX, US
US
Shipping
$13.5
—
In transit
2-5 days
—
Free over
$200
—
Payment
card, zelle, ach, crypto
card, ach, crypto
Accepts returns
Yes
—
Storefront
WooCommerce
woocommerce
Tracked by us since
Jul 2026
Jun 2026
Tracked listings
59 across 1 products
146 across 84 products

Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Grey Axis Research and Umbrella Labs were extracted from the vendor's site and not yet reviewed by us.

Certificates on file

Detail
Grey Axis Research
Umbrella Labs
COA coverage
None found
Broad
Certificates
1 current
63 current
Labs
1 named, most from Analytical Formulations, Inc.
3 named, most from Freedom Diagnostics
Newest test date
Apr 24, 2026
Oct 5, 2026
Third-party tested claim
—
—
Made in USA claim
—
—

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

1 product both stock
Product
Grey Axis Research
Umbrella Labs
Retatrutide
$2.63
$8.33

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 Umbrella Labs

83 products the other vendor does not list

75 more on the Umbrella Labs page

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

Questions

Is Grey Axis Research cheaper than Umbrella Labs?
On the 1 product both vendors stock, Grey Axis Research has the lower effective price per mg on 1 and Umbrella Labs on 0. 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?
Grey Axis Research: none found, newest test dated 2026-04-24. Umbrella Labs: broad, newest test dated 2026-10-05. 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.
How do shipping and payment differ between Grey Axis Research and Umbrella Labs?
Grey Axis Research: shipping $13.5, 2-5 days in transit, accepts card, zelle, ach, crypto. Umbrella Labs: accepts card, ach, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

Keep looking

Market tape