Vendors

Modern Aminos vs Modern Research Peptides

Across the 28 products both vendors stock, Modern Aminos has the lower effective price per mg on 4 and Modern Research Peptides on 24. Modern Aminos lists 71 tracked listings across 40 products; Modern Research Peptides lists 83 across 44. On certificates of analysis both show broad 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.

Modern Aminos

Modern Aminos is a US research-peptide vendor based in Garden City, Idaho that lists 58 injectable peptides.

Price vs market median
1% below market
Tracked catalog
40 products · $$
Cheaper on
4 of 28 shared
COA coverage
Broad
Visit Modern Aminos
Modern Research Peptides

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

Price vs market median
31% below market
Tracked catalog
44 products · $
Cheaper on
24 of 28 shared
COA coverage
Broad
Visit Modern Research Peptides

Vendor facts

Detail
Modern Aminos
Modern Research Peptides
Sells
58 vials
79 vials
Location
Garden City, Idaho, US
US
Ships from
Garden City, Idaho
—
Shipping
—
$9.99
In transit
2-5 days
—
Free over
—
$250
Payment
card, ach, crypto
—
Accepts returns
Yes
No
Storefront
—
WooCommerce
Tracked by us since
Jul 2026
Jul 2026
Tracked listings
71 across 40 products
83 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 Modern Aminos and Modern Research Peptides were extracted from the vendor's site and not yet reviewed by us.

Certificates on file

Detail
Modern Aminos
Modern Research Peptides
COA coverage
Broad
Broad
Certificates
45 current
43 current
Labs
4 named, most from Freedom Diagnostics
2 named, most from Freedom Diagnostics
Newest test date
Aug 27, 2026
Jul 13, 2026
Third-party tested claim
—
—
Made in USA claim
a few listings
—

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

28 products both stock
Product
Modern Aminos
Modern Research Peptides
5-Amino-1MQ
$2.78
$0.98
BPC-157
$6.80
$2.37
DSIP
$7
$3.15
Epitalon
$2.18
$3.30
GHK-Cu
$0.64
$0.40
Ipamorelin
$6.40
$3.07
KPV
$4.60
$3.07
Melanotan II
$3.80
$2.80
MOTS-c
$2.88
$1.73
Pinealon
$3.05
$3.25
PT-141
$4.10
$3.30
Retatrutide
$5.82
$2.20
TB-500
$5.90
$4.70
Tesamorelin
$7.10
$4.90
Tirzepatide
$3.98
$1.76
ARA-290
$5.10
$3.80
Cagrilintide
$9.90
$6.67
Cartalax
$2.70
$2.30
Glutathione
$0.09
$0.03
Hexarelin
$6.80
$14
Kisspeptin-10
$4.90
$2.93
LL-37
$9.40
$7.60

Showing 24 of 28 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 Aminos

12 products the other vendor does not list

4 more on the Modern Aminos page

Only at Modern Research Peptides

16 products the other vendor does not list

8 more on the Modern Research Peptides page

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

Questions

Is Modern Aminos cheaper than Modern Research Peptides?
On the 28 products both vendors stock, Modern Aminos has the lower effective price per mg on 4 and Modern Research Peptides on 24. 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 Aminos: broad, newest test dated 2026-08-27. Modern Research Peptides: broad, newest test dated 2026-07-13. 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 Aminos and Modern Research Peptides?
Modern Aminos: ships from Garden City, Idaho, 2-5 days in transit, accepts card, ach, crypto. Modern Research Peptides: shipping $9.99. Details come from each vendor's own site and can change without notice; check the storefront before ordering.

Keep looking

Market tape