Vendors

Core Peptides Direct vs Redline Bio Labs

Across the 33 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 18 and Redline Bio Labs on 12, and 3 price the same to the cent. Core Peptides Direct lists 69 tracked listings across 51 products; Redline Bio Labs lists 64 across 38. 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 68 injectable peptides, including BPC-157, 5-Amino-1MQ and NAD+.

Price vs market median
18% below market
Tracked catalog
51 products · $
Cheaper on
18 of 33 shared
COA coverage
None found
Visit Core Peptides Direct
Redline Bio Labs

Redline Bio Labs is a research-peptide vendor that lists 64 injectable peptides, including FOXO4-DRI, Epitalon and SS-31.

Price vs market median
1% below market
Tracked catalog
38 products · $$
Cheaper on
12 of 33 shared
COA coverage
None found
Visit Redline Bio Labs

Vendor facts

Detail
Core Peptides Direct
Redline Bio Labs
Sells
68 vials
64 vials
Tracked listings
69 across 51 products
64 across 38 products

Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice.

Certificates on file

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

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
Core Peptides Direct
Redline Bio Labs
5-Amino-1MQ
$0.86
$1.58
BPC-157
$1.95
$4.63
DSIP
$6
$4.93
Epitalon
$4.30
$1.64
FOXO4-DRI
$16.30
$11.90
GHK-Cu
$0.35
$0.60
KPV
$4.30
$5.50
Melanotan II
$3.30
$3.90
MOTS-c
$2.12
$3.20
NAD+
$0.06
$0.09
Retatrutide
$3.98
$5.46
Selank
$2.10
$2.80
Semax
$1.83
$2.80
SS-31
$2.56
$2.72
TB-500
$5
$7
Tesamorelin
$6.90
$6.30
Adamax
$6.40
$9.10
AOD-9604
$11
$7.90
ARA-290
$4.90
$4.90
Cagrilintide
$6.40
$7.10
Cardiogen
$4.15
$3.70
Cartalax
$2.70
$3.70

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 Core Peptides Direct

18 products the other vendor does not list

10 more on the Core Peptides Direct page

Only at Redline Bio Labs

5 products 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 Redline Bio Labs?
On the 33 products both vendors stock, Core Peptides Direct has the lower effective price per mg on 18 and Redline Bio Labs on 12, with 3 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?
Core Peptides Direct: none found. Redline Bio Labs: 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?
Core Peptides Direct has 51 priced products in the current index and Redline Bio Labs has 38, 33 of which appear on both catalogs. 18 products are listed only by Core Peptides Direct and 5 only by Redline Bio Labs.

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