Vendors

Atomik Labs vs Peptide Partners

Across the 19 products both vendors stock, Atomik Labs has the lower effective price per mg on 2 and Peptide Partners on 17. Atomik Labs lists 83 tracked listings across 52 products; Peptide Partners lists 109 across 20. On certificates of analysis the in-stock products we track rate limited at Atomik Labs and broad at Peptide Partners. 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 79 injectable peptides and 1 capsule, including Tesamorelin, Melanotan II and MOTS-c.

Price vs market median
At market price
Tracked catalog
52 products · $$
Cheaper on
2 of 19 shared
COA coverage
Limited
Visit Atomik Labs
Peptide Partners

Peptide Partners is a US research-peptide vendor based in Sarasota, FL that lists 82 injectable peptides.

Price vs market median
12% above market
Tracked catalog
20 products · $$$
Cheaper on
17 of 19 shared
COA coverage
Broad
Visit Peptide Partners

Vendor facts

Detail
Atomik Labs
Peptide Partners
Sells
79 vials, 1 capsules
82 vials
Location
Sarasota, FL, US
Storefront
woocommerce
Domain registered
Jan 2024
Tracked by us since
Jul 2026
Jul 2026
Tracked listings
83 across 52 products
109 across 20 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 and Peptide Partners were extracted from the vendor's site and not yet reviewed by us.

Certificates on file

Detail
Atomik Labs
Peptide Partners
COA coverage
Limited
Broad
Certificates
3 current
23 current
Labs
1 named, most from Janoshik Analytical
3 named, most from Kovera Labs
Newest test date
Jan 20, 2025
Sep 3, 2026
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

19 products both stock
Product
Atomik Labs
Peptide Partners
5-Amino-1MQ
$1.98
$1.95
BPC-157
$5.50
$1
DSIP
$4.50
$6.10
Epitalon
$2.58
$1.98
GHK-Cu
$0.55
$0.45
Ipamorelin
$5.60
$2.89
KPV
$5.50
$3.20
MOTS-c
$2.48
$2
PT-141
$3.70
$3.20
Retatrutide
$4.98
$3.15
Semax
$3
$1.03
SS-31
$3.98
$1.90
Tirzepatide
$2.49
$1.50
AOD-9604
$7.80
$5.20
Kisspeptin-10
$4.50
$3.83
Semaglutide
$2.97
$4.88
Sermorelin
$6.40
$3.99

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

33 products the other vendor does not list

25 more on the Atomik Labs page

Only at Peptide Partners

1 product 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 Peptide Partners?
On the 19 products both vendors stock, Atomik Labs has the lower effective price per mg on 2 and Peptide Partners on 17. 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. Peptide Partners: broad, newest test dated 2026-09-03. 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 52 priced products in the current index and Peptide Partners has 20, 19 of which appear on both catalogs. 33 products are listed only by Atomik Labs and 1 only by Peptide Partners.

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