Vendors

Modern Research Peptides vs Tetrava Labs

Across the 36 products both vendors stock, Modern Research Peptides has the lower effective price per mg on 32 and Tetrava Labs on 4. Modern Research Peptides lists 83 tracked listings across 44 products; Tetrava Labs lists 99 across 51. On certificates of analysis the in-stock products we track rate broad at Modern Research Peptides and none found at Tetrava 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.

Modern Research Peptides

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

Price vs market median
33% below market
Tracked catalog
44 products · $
Cheaper on
32 of 36 shared
COA coverage
Broad
Visit Modern Research Peptides
Tetrava Labs

Tetrava Labs is a research-peptide vendor that lists 99 injectable peptides, 1 capsule and 2 nasal sprays.

Price vs market median
13% above market
Tracked catalog
51 products · $$$
Cheaper on
4 of 36 shared
COA coverage
None found
Visit Tetrava Labs

Vendor facts

Detail
Modern Research Peptides
Tetrava Labs
Sells
79 vials
99 vials, 1 capsules, 2 sprays
Location
US
—
Shipping
$9.99
—
Free over
$250
—
Storefront
WooCommerce
—
Tracked by us since
Jul 2026
—
Tracked listings
83 across 44 products
99 across 51 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 were extracted from the vendor's site and not yet reviewed by us.

Certificates on file

Detail
Modern Research Peptides
Tetrava Labs
COA coverage
Broad
None found
Certificates
43 current
0 current
Labs
2 named, most from Freedom Diagnostics
—
Newest test date
Jul 13, 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

36 products both stock
Product
Modern Research Peptides
Tetrava Labs
5-Amino-1MQ
$0.98
$4.90
BPC-157
$2.37
$6.90
DSIP
$3.15
$4.50
Epitalon
$3.30
$2.40
GHK-Cu
$0.40
$0.59
Ipamorelin
$3.07
$5.90
KPV
$3.07
$5.50
Melanotan II
$2.80
$3.50
MOTS-c
$1.73
$5
NAD+
$0.07
$0.15
Pinealon
$3.25
$7.50
Retatrutide
$2.20
$9.09
Selank
$3.13
$7
Semax
$3.50
$7
SS-31
$2.09
$3.98
TB-500
$4.70
$8.90
Tesamorelin
$4.90
$11.95
Thymosin Alpha-1
$5.33
$11.80
Tirzepatide
$1.76
$8.58
ARA-290
$3.80
$5.90
Cagrilintide
$6.67
$14.90
GHRP-2
$3
$4.90
GHRP-6
$4.60
$5.90

Showing 24 of 36 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

8 products the other vendor does not list

Only at Tetrava Labs

15 products the other vendor does not list

7 more on the Tetrava Labs page

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

Questions

Is Modern Research Peptides cheaper than Tetrava Labs?
On the 36 products both vendors stock, Modern Research Peptides has the lower effective price per mg on 32 and Tetrava Labs on 4. 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. Tetrava 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 Modern Research Peptides and Tetrava Labs?
Modern Research Peptides: shipping $9.99. Tetrava 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.

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