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Home/Bioregulator/Cortagen

Cortagen

One of the Russian bioregulator peptides — a short amino acid chain studied for effects on a specific organ system.

Peptide Compare tracked 8 vendors selling Cortagen on 10 Oct 2026. The cheapest in-stock 20 mg vial is $2.75 per mg at Eros Peptides, 12% under the $3.12 median. Prices are scraped from vendor sites; trust scores come from Finnrick blind tests.

Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.

Best value right now · all sizes
Eros Peptides
Eros Peptides
IN STOCKTRUST 6.9
Per mg$2.7512% under the $3.12 median
Vial price$55.0020 mg · verified Oct 10
Go to Eros Peptides↗
Avg per mg · 20 mgAverage cost per mg · 20 mg vials · past 3 months · most stocked size
$3.05−6.1%
Ranged $3.05 – $3.25 across 8 vendors
AVERAGECHEAPEST
TODAY · Oct 10$3.05$2.47
Jul 8Jul 30Aug 22Sep 13Oct 10

Compare 8 vendors

Across all sizes, verified in-stock listings run $55.00 to $69.97 from 3 vendors.

VendorSizeStock
01
Eros Peptides
Eros PeptidesBest value
6.9
20 mg
$2.7512% UNDER MED
In stock
Buy ↗
01
Eros Peptides
Eros PeptidesTRUST 6.9
$2.75$55.00
Buy
02
Soma Chems
Soma Chems
untested
20 mg
$3.254% OVER MED
In stock
Buy ↗
02
Soma Chems
Soma ChemsUNTESTED
$3.25$64.99
Buy
03
BioLongevity Labs
BioLongevity Labs
6.0
20 mg
$3.5012% OVER MED
In stock
Buy ↗
03
BioLongevity Labs
BioLongevity LabsTRUST 6.0
$3.50$69.97
Buy
04
Peptidology
Peptidology
7.6
20 mg
$2.4721% UNDER MED
Out29d
04
Peptidology
PeptidologyTRUST 7.6 · OUT
$2.47$49.49
05
Behemoth Labz
Behemoth Labz
untested
20 mg
$2.7213% UNDER MED
Out30d
05
Behemoth Labz
Behemoth LabzUNTESTED · OUT
$2.72$54.48
06
Solution Peptides
Solution Peptides
untested
20 mg
$3.004% UNDER MED
Out
06
Solution Peptides
Solution PeptidesUNTESTED · OUT
$3.00$60.00
07
Peptide Sciences
Peptide Sciences
6.6
20 mg
$3.254% OVER MED
In stock65d
Buy ↗
07
Peptide Sciences
Peptide SciencesTRUST 6.6
$3.25$65.00
Buy
08
Peptira
Peptira
untested
20 mg
$3.4510% OVER MED
In stock18d
Buy ↗
08
Peptira
PeptiraUNTESTED
$3.45$69.00
Buy

Cortagen prices verified Oct 10, 2026

$2.75/mgEros Peptides · $55.00
Buy best price↗

See how Cortagen moved against the rest of the catalogue in the Peptide Price Index: median price per mg now versus 30 and 90 days ago, every tracked peptide, with a CSV.

Cortagen price by vial size

Lowest verified in-stock price for Cortagen at each vial size
Vial sizeLowest per mgVial priceVendorVendors carrying it
20 mg$2.75$55.00Eros Peptides8 vendors carry it8

Verified 10 Oct 2026. Lowest figures are in-stock listings checked within the last week, with any coupon applied; a size with none says so.

Price movement · 30 days
0%median per mg, all sizes
Cheapest ever recorded: $2.47/mg on Sep 3. Today is 11.1% above that low.
Purity coverage
4 of 8vendors lab-tested
Method →
Track Cortagen priceReconstitution calculator

See our top-ranked Cortagen vendors

Ranked by Finnrick trust score, independent lab testing, and price.

Best vendors

Compare Cortagen head-to-head

  • Cortagen vs Bronchogen
  • Cortagen vs Cardiogen
  • Cortagen vs Cartalax
  • Cortagen vs Chonluten
  • Cortagen vs Livagen
  • Cortagen vs Ovagen
All peptide comparisons
Quick Summary

Cortagen is a bioregulator peptide used in research. Available from 8 vendors, priced from $49.49 to $69.97.

  • 5 of 8 vendors currently have it in stock
  • Highest-rated vendor: Peptidology (7.6 Finnrick score)
  • Most common vial size: 20mg
  • Category: Bioregulator — Short-chain bioregulator peptides targeting specific organ systems

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