Vendors

Core Peptides Direct vs Limitless Peptides

Across the 27 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 26 and Limitless Peptides on 1. Core Peptides Direct lists 69 tracked listings across 50 products; Limitless Peptides lists 34 across 28. 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.

Core Peptides Direct

Core Peptides Direct is a research-peptide vendor that lists 67 injectable peptides, including BPC-157, 5-Amino-1MQ and GHK-Cu.

Price vs market median
15% below market
Tracked catalog
50 products · $
Cheaper on
26 of 27 shared
COA coverage
None found
Visit Core Peptides Direct
Limitless Peptides

Limitless Peptides is a US research-peptide vendor that lists 31 injectable peptides, including Pinealon, 5-Amino-1MQ and FOXO4-DRI.

Price vs market median
73% above market
Tracked catalog
28 products · $$$
Cheaper on
1 of 27 shared
COA coverage
None found
Visit Limitless Peptides

Vendor facts

Detail
Core Peptides Direct
Limitless Peptides
Sells
67 vials
31 vials
Location
—
US
Ships from
—
US
Free over
—
$500
Storefront
—
shopify
Tracked by us since
—
Aug 2026
Tracked listings
69 across 50 products
34 across 28 products

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

Certificates on file

Detail
Core Peptides Direct
Limitless Peptides
COA coverage
None found
None found
Certificates
0 current
0 current
Labs
—
—
Newest test date
—
—
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

27 products both stock
Product
Core Peptides Direct
Limitless Peptides
5-Amino-1MQ
$0.86
$2.40
BPC-157
$1.95
$9.90
Epitalon
$4.30
$7.50
FOXO4-DRI
$16.30
$24
GHK-Cu
$0.35
$1.50
Ipamorelin
$4.60
$8
KPV
$4.30
$9.90
Melanotan II
$3.30
$6.50
MOTS-c
$2.50
$10
NAD+
$0.07
$0.50
Pinealon
$2.95
$3.50
PT-141
$3.30
$8
Selank
$2.10
$9
Semax
$2.10
$9
SS-31
$2.56
$5
TB-500
$5
$16.50
Tesamorelin
$6.90
$14
GHRP-6
$2.80
$6.50
Glutathione
$0.04
$0.06
LL-37
$10.80
$18.80
Melanotan I
$3.30
$6.50

Showing 24 of 27 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 Core Peptides Direct

23 products the other vendor does not list

15 more on the Core Peptides Direct page

Only at Limitless Peptides

1 product the other vendor does not list

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

Questions

Is Core Peptides Direct cheaper than Limitless Peptides?
On the 27 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 26 and Limitless Peptides on 1. 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?
Core Peptides Direct: none found. Limitless 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.
How do shipping and payment differ between Core Peptides Direct and Limitless Peptides?
Core Peptides Direct: we have not recorded shipping or payment details yet. Limitless Peptides: ships from US. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

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