Vendors

Modern Research Peptides vs Skye Peptides

Across the 30 products both vendors stock, Modern Research Peptides has the lower effective price per mg on 24 and Skye Peptides on 6. Modern Research Peptides lists 83 tracked listings across 44 products; Skye Peptides lists 97 across 38. On certificates of analysis the in-stock products we track rate broad at Modern Research Peptides and limited at Skye 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.

Modern Research Peptides

Modern Research Peptides is a US research-peptide vendor that lists 79 injectable peptides, including NAD+, BPC-157 and Retatrutide.

Price vs market median
31% below market
Tracked catalog
44 products · $
Cheaper on
24 of 30 shared
COA coverage
Broad
Visit Modern Research Peptides
Skye Peptides

Skye Peptides is a US research-peptide vendor based in Los Angeles, California that lists 51 injectable peptides and 3 tablets.

Price vs market median
8% above market
Tracked catalog
38 products · $$$
Cheaper on
6 of 30 shared
COA coverage
Limited
Visit Skye Peptides

Vendor facts

Detail
Modern Research Peptides
Skye Peptides
Sells
79 vials
51 vials, 3 tablets
Location
US
Los Angeles, California, US
Shipping
$9.99
—
Free over
$250
—
Payment
—
card
Storefront
WooCommerce
WooCommerce
Tracked by us since
Jul 2026
Jul 2026
Tracked listings
83 across 44 products
97 across 38 products

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

Certificates on file

Detail
Modern Research Peptides
Skye Peptides
COA coverage
Broad
Limited
Certificates
43 current
9 current
Labs
2 named, most from Freedom Diagnostics
2 named, most from MZ Biolabs
Newest test date
Jul 13, 2026
Jun 15, 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

30 products both stock
Product
Modern Research Peptides
Skye Peptides
5-Amino-1MQ
$0.98
$1.78
BPC-157
$2.37
$4.20
DSIP
$3.15
$9.80
Epitalon
$3.30
$2.58
GHK-Cu
$0.40
$0.69
Ipamorelin
$3.07
$5.52
KPV
$3.07
$4.50
Melanotan II
$2.80
$4.90
MOTS-c
$1.73
$2.97
Pinealon
$3.25
$2.82
PT-141
$3.30
$4.90
Retatrutide
$2.20
$7.46
Selank
$3.13
$7.90
Semax
$3.50
$2.30
TB-500
$4.70
$5.16
Tesamorelin
$4.90
$4.13
Tirzepatide
$1.76
$39.30
ARA-290
$3.24
$5.25
Cagrilintide
$6.67
$14.90
Cartalax
$2.30
$2.36
Hexarelin
$14
$9.80
Kisspeptin-10
$2.93
$4.90

Showing 24 of 30 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 Modern Research Peptides

14 products the other vendor does not list

6 more on the Modern Research Peptides page

Only at Skye Peptides

8 products the other vendor does not list

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

Questions

Is Modern Research Peptides cheaper than Skye Peptides?
On the 30 products both vendors stock, Modern Research Peptides has the lower effective price per mg on 24 and Skye Peptides on 6. 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?
Modern Research Peptides: broad, newest test dated 2026-07-13. Skye Peptides: limited, newest test dated 2026-06-15. 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 Modern Research Peptides and Skye Peptides?
Modern Research Peptides: shipping $9.99. Skye Peptides: accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

Keep looking

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