Vendors

Nexgen Peptides vs Redline Bio Labs

Across the 37 products both vendors stock, Nexgen Peptides has the lower effective price per mg on 17 and Redline Bio Labs on 20. Nexgen Peptides lists 94 tracked listings across 59 products; Redline Bio Labs lists 80 across 44. On certificates of analysis the in-stock products we track rate limited at Nexgen Peptides and none found at Redline Bio Labs. 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.

Nexgen Peptides

Nexgen Peptides is a US research-peptide vendor based in Fullerton, CA that lists 89 injectable peptides plus capsules, tablets and nasal.

Price vs market median
2% below market
Tracked catalog
59 products · $$
Cheaper on
17 of 37 shared
COA coverage
Limited
Visit Nexgen Peptides
Redline Bio Labs

Redline Bio Labs is a research-peptide vendor that lists 79 injectable peptides, including FOXO4-DRI, Epitalon and SS-31.

Price vs market median
1% below market
Tracked catalog
44 products · $$
Cheaper on
20 of 37 shared
COA coverage
None found
Visit Redline Bio Labs

Vendor facts

Detail
Nexgen Peptides
Redline Bio Labs
Sells
89 vials, 3 capsules, 2 tablets, 1 sprays
79 vials
Location
Fullerton, CA, US
—
Ships from
US
—
Storefront
woocommerce
—
Tracked by us since
Jul 2026
—
Tracked listings
94 across 59 products
80 across 44 products

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

Certificates on file

Detail
Nexgen Peptides
Redline Bio Labs
COA coverage
Limited
None found
Certificates
13 current
0 current
Labs
2 named, most from Freedom Diagnostics
—
Newest test date
Aug 30, 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

37 products both stock
Product
Nexgen Peptides
Redline Bio Labs
5-Amino-1MQ
$1.72
$1.58
BPC-157
$6.50
$4.63
DSIP
$4.40
$4.93
Epitalon
$1.04
$1.64
FOXO4-DRI
$15.70
$11.90
GHK-Cu
$1
$0.60
Ipamorelin
$2.70
$6
KPV
$2.90
$5.50
Melanotan II
$3.50
$3.90
MOTS-c
$5.50
$3.20
NAD+
$0.20
$0.09
PT-141
$4.20
$5.20
Retatrutide
$8.67
$5.46
Selank
$5.50
$2.80
Semax
$5.50
$2.80
SS-31
$3.28
$2.72
TB-500
$6.50
$7
Tesamorelin
$8.50
$6.30
Tirzepatide
$1.55
$3.02
Adipotide
$14.20
$10.40
AOD-9604
$5.60
$7.90
ARA-290
$5
$4.90

Showing 24 of 37 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 Nexgen Peptides

22 products the other vendor does not list

14 more on the Nexgen Peptides page

Only at Redline Bio Labs

7 products the other vendor does not list

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

Questions

Is Nexgen Peptides cheaper than Redline Bio Labs?
On the 37 products both vendors stock, Nexgen Peptides has the lower effective price per mg on 17 and Redline Bio Labs on 20. 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?
Nexgen Peptides: limited, newest test dated 2026-08-30. 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.
How do shipping and payment differ between Nexgen Peptides and Redline Bio Labs?
Nexgen Peptides: ships from US. Redline Bio Labs: we have not recorded shipping or payment details yet. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

Keep looking

Market tape