Vendors

Atomik Labs vs GMR Peptides

Across the 18 products both vendors stock, Atomik Labs has the lower effective price per mg on 11 and GMR Peptides on 7. Atomik Labs lists 85 tracked listings across 53 products; GMR Peptides lists 22 across 18. On certificates of analysis the in-stock products we track rate limited at Atomik Labs and none found at GMR Peptides. 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.

Atomik Labs

Atomik Labs is a research-peptide vendor that lists 82 injectable peptides and 1 capsule, including Melanotan II, Tesamorelin and Selank.

Price vs market median
At market price
Tracked catalog
53 products · $$
Cheaper on
11 of 18 shared
COA coverage
Limited
Visit Atomik Labs
GMR Peptides

GMR Peptides is a research-peptide vendor that lists 22 injectable peptides, including DSIP, TB-500 and Semax.

Price vs market median
7% below market
Tracked catalog
18 products · $
Cheaper on
7 of 18 shared
COA coverage
None found
Visit GMR Peptides

Vendor facts

Detail
Atomik Labs
GMR Peptides
Sells
82 vials, 1 capsules
22 vials
Domain registered
Jan 2024
—
Tracked by us since
Jul 2026
—
Tracked listings
85 across 53 products
22 across 18 products

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

Certificates on file

Detail
Atomik Labs
GMR Peptides
COA coverage
Limited
None found
Certificates
3 current
0 current
Labs
1 named, most from Janoshik Analytical
—
Newest test date
Jan 20, 2025
—
Third-party tested 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

18 products both stock
Product
Atomik Labs
GMR Peptides
BPC-157
$5.50
$4.50
DSIP
$4.50
$3
GHK-Cu
$0.55
$0.65
Melanotan II
$2.90
$3.60
MOTS-c
$2.48
$4.50
NAD+
$0.12
$0.14
PT-141
$3.70
$3.60
Retatrutide
$4.98
$6.33
Selank
$3.50
$3.60
Semax
$3
$3.60
SS-31
$3.98
$5.90
TB-500
$6.50
$4.50
Tirzepatide
$2.19
$4.33
Adamax
$7.90
$6.50
Glutathione
$0.07
$0.04
IGF-LR3
$85
$69.99

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 Atomik Labs

35 products the other vendor does not list

27 more on the Atomik Labs page

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

Questions

Is Atomik Labs cheaper than GMR Peptides?
On the 18 products both vendors stock, Atomik Labs has the lower effective price per mg on 11 and GMR Peptides on 7. 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?
Atomik Labs: limited, newest test dated 2025-01-20. GMR Peptides: 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?
Atomik Labs has 53 priced products in the current index and GMR Peptides has 18, 18 of which appear on both catalogs. 35 products are listed only by Atomik Labs and 0 only by GMR Peptides.

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