Vendors

Atomik Labs vs Source Peptides

Across the 33 products both vendors stock, Atomik Labs has the lower effective price per mg on 19 and Source Peptides on 12, and 2 price the same to the cent. Atomik Labs lists 85 tracked listings across 53 products; Source Peptides lists 48 across 35. On certificates of analysis the in-stock products we track rate limited at Atomik Labs and none found at Source 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
19 of 33 shared
COA coverage
Limited
Visit Atomik Labs
Source Peptides

Source Peptides is a research-peptide vendor that lists 48 injectable peptides and 14 nasal sprays.

Price vs market median
8% above market
Tracked catalog
35 products · $$$
Cheaper on
12 of 33 shared
COA coverage
None found
Visit Source Peptides

Vendor facts

Detail
Atomik Labs
Source Peptides
Sells
82 vials, 1 capsules
48 vials, 14 sprays
Domain registered
Jan 2024
—
Tracked by us since
Jul 2026
—
Tracked listings
85 across 53 products
48 across 35 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
Source 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

33 products both stock
Product
Atomik Labs
Source Peptides
5-Amino-1MQ
$1.44
$2.30
BPC-157
$5.50
$5.50
DSIP
$4.50
$7
Epitalon
$2.58
$5
GHK-Cu
$0.55
$0.65
Ipamorelin
$5.60
$8.50
KPV
$5.50
$7.50
MOTS-c
$2.48
$3.38
Pinealon
$3.93
$3.50
PT-141
$3.70
$8
Retatrutide
$4.98
$4.58
Selank
$3.50
$7
Semax
$3
$7
TB-500
$6.50
$7
Adamax
$7.90
$7.50
AOD-9604
$7.80
$11
ARA-290
$7.90
$4.50
Cardiogen
$3.25
$2.50
Cartalax
$3.25
$2.50
Dihexa
$20.40
$10

Showing 24 of 33 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 Atomik Labs

20 products the other vendor does not list

12 more on the Atomik Labs page

Only at Source Peptides

2 products the other vendor does not list

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

Questions

Is Atomik Labs cheaper than Source Peptides?
On the 33 products both vendors stock, Atomik Labs has the lower effective price per mg on 19 and Source Peptides on 12, with 2 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?
Atomik Labs: limited, newest test dated 2025-01-20. Source 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 Source Peptides has 35, 33 of which appear on both catalogs. 20 products are listed only by Atomik Labs and 2 only by Source Peptides.

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