$50.00$2.50/mg
view offer, Cortagen 20mg at Amino USA, opens in a new tab
brain-cortex bioregulator tetrapeptide · Bioregulators · research compound
Cortagen for sale: 20mg research prices from 2 vendors with current prices
research onlyBioregulators
Cortagen 20mg vials cost from $50.00 ($2.50/mg) at Amino USA, observed 8 Nov 2026, and 2 vendors have current prices for this package. US-dollar list prices before shipping, tax and unverified codes.
Only cell or animal studies, almost all from one Russian research group; no controlled human trials.
$50.00lowest 20mg vialAmino USA
$2.50lowest per mgany size · 2 vendors in stock
$2.73median per mg2 in-stock offers
2lot COAs read2 vendors
Devidence gradeanimal or cell studies only
sorted by price · 20mg · prices before codes and shipping · checked 8 Nov 2026
Cortagen 20mg offers
research market · not for human use
These vendors sell compounds as research chemicals. Most are not FDA-approved.
$58.99$2.95/mg
9 tests on the lot certificate9× newest lot
- identity (MS)
- identity (HPLC retention time)
- purity (HPLC)
- net content
- endotoxin
- microbial limits
- TFA/counterion
- residual solvents
- appearance
Prices are each vendor’s listed price before shipping, unless a verified code is marked as included. Some outbound links are affiliate links and PeptideTech keeps a fee from sellers on checkout orders; neither affects grades or scores, or order apart from the labelled featured partner. PeptideTech does not test products. Certificates of analysis are the seller’s or the lab’s documents, attributed to them, and PeptideTech does not verify them unless a specific record says so. Report a seller
one exact package · 1 vial · 20mg labelled · US dollars before shipping and tax
Cortagen 20mg supplier comparison
| supplier | package | price (USD) | per mg | status | observed | code terms | lot certificate |
|---|---|---|---|---|---|---|---|
| Amino USA evidence profile | 1 vial · 20mg labelled | $50.00 | $2.50/mg | current · in stock | 8 Nov 2026 | code TECH10 accepted in a recorded cart check; price shown before it | BioRegen · 7 Jul 2026 · lot 26CORT20-0005 |
| Cenexa Labs evidence profile | 1 vial · 20mg labelled | $58.99 | $2.95/mg | current · in stock | 6 Nov 2026 | code PEPTECH accepted in a recorded cart check; price shown before it | BioSyn Systems · 3 Dec 2025 · lot L2511-20 |
- Package. Every row is a single vial (1 vial · 20mg labelled); multi-vial packs, kits and bundles are left off this comparison.
- Price scope. Each vendor’s listed item price in US dollars for the US market, before shipping and sales tax, which its checkout sets. A code is deducted only when its discount was verified in a cart. These are research-use package prices, not clinic, prescription or monthly programme costs.
- Current or historical. A price is current when its source was read in the last seven days; historical rows are older listings, kept with their date and left out of the lowest price and the structured data.
How offers are selected
- Every row is one exact package: 20mg, one form, US market, US-dollar price as the vendor lists it.
- Vials, multi-vial packs, bundles, pens, sprays and blends stay in separate comparisons; kits and subscriptions are left out.
- Offers are ranked by displayed price; a code is included only when its discounted price was verified in a cart. A referral code is not a confirmed discount.
- A price is current when its source was read in the last 7 days; older listings stay visible as historical and are excluded from the lowest price. Read each offer’s source date, stock, currency and market.
- A catalogue name or alias (a vendor code name) is the seller’s claim: check it against the product specification and the lot report.
- Grades come from lab documents, business records and service terms, scored the same way for every vendor; no vendor can pay for a grade or rank.
Grading rubric, sources and corrections: how supplier evidence is assessed.
in-stock offers · every size · per mg before codes and shipping
what it costs
$2.73/mg median
$2.50$2.95
Dated observations, daily medians and CSV or JSON downloads for this package: Cortagen price history and methodology.
from the evidence tiers
evidence
animal or cell studies only
basis: animal and cell studies (one group)
- cell studies
- animal studies
- small human studies
- phase 2 trial
- phase 3 trial
- approved somewhere
studied forbrain & mood
open the body map 2 lot certificates matched to Cortagen packages · newest first
lab results
- Amino USAlot 26CORT20-0005 · BioRegen · 7 Jul 2026identity (MS)purity (HPLC)net contentappearancePDF
- Cenexa Labslot L2511-20 · BioSyn Systems · 3 Dec 2025identity (MS)identity (HPLC retention time)purity (HPLC)net contentendotoxinmicrobial limitsTFA/counterionresidual solventsappearancePDF
Vendor-published certificates matched to the exact package. PeptideTech has not authenticated the samples; tests are what each document prints. The former storefront’s archive keeps Cortagen lot reports and historical COAs (2 records); they are historical, not today’s lots.
newest Cortagen lot certificate at each vendor
assays per lot
- Cenexa Labs9×appearancecounterionendotoxinidentity (HPLC retention)identity (mass spec)microbial limitsnet contentpurity (HPLC)residual solventslot L2511-20 · 3 Dec 2025 · audit
- Amino USA4×appearanceidentity (mass spec)net contentpurity (HPLC)lot 26CORT20-0005 · 7 Jul 2026 · audit
More assays means more is documented, not that the product measured better. Shown beside grades; the vendor grade scores six core tests.
what it is · what is known
overview
- EPIGENETIC MODIFICATION UNDER THE INFLUENCE OF PEPTIDE BIOREGULATORS ON THE "OLD" CHROMATIN. Georgian medical news, 2023
- Effects of bioactive tetrapeptides on free-radical processes. Bulletin of experimental biology and medicine, 2007
- Effects of short peptides on thymocyte blast transformation and signal transduction along the sphingomyelin pathway. Bulletin of experimental biology and medicine, 2002
- In vitro effect of short peptides on expression of interleukin-2 gene in splenocytes. Bulletin of experimental biology and medicine, 2002
research-use status
is Cortagen legal?
This page compares research-labelled listings for Cortagen. A listing or a United States price does not establish authorization for human use or permission to import, possess or supply a product in a particular jurisdiction. Consult the cited regulatory sources and the rules for the actual product and destination. PeptideTech does not sell products or provide medical advice.
research context
Cortagen storage and handling
Follow the manufacturer’s current product- and batch-specific storage instructions and safety data sheet for Cortagen. The catalogue does not verify temperature stability, sterility or a preparation method. Do not transfer handling instructions between different forms, concentrations or suppliers.
Vial mass, diluent volume and concentration arithmetic for a laboratory: the Cortagen concentration calculator.
also in Bioregulators
similar compounds
how this page is built
independence
Grades are computed from lab data and public records; no vendor can pay for a grade or a ranking. Featured placements are labelled and sit outside the rankings; in them the featured partner holds the place its price or score earns. how we make money
lowest 20mg: Amino USA $50.00, Cortagen 20mg at Amino USA, opens in a new tab
short answers
Cortagen questions
How much does Cortagen cost?
Cortagen 20mg costs from $50.00 to $58.99 across 2 vendors with current prices. The cheapest in-stock offer is Amino USA at $50.00 ($2.50/mg), observed Nov 8, 2026. These are US-dollar item prices for research-use packages, before shipping, sales tax and unverified codes; they are not the monthly cost of a clinic or prescription programme.
Where is the cheapest place to buy Cortagen?
Amino USA has the cheapest in-stock offer among the 2 vendors with current prices for Cortagen 20mg, at $50.00, with code TECH10 available through our link but not deducted from the listed price. “Cheapest” uses the displayed price, including a code only when its discounted price is explicitly verified, and excludes shipping.
Where can I compare current Cortagen supplier offers?
On this page: it compares research-use Cortagen listings from 2 tracked vendors, of which 2 have a current price for at least one size and 2 show one in stock now. The 20mg comparison lists every recorded 20mg offer, current in-stock prices first and cheapest first, and the price-by-size table links each size’s own comparison. Each offer shows the date its price was observed; a listing not seen for 7 days is marked historical and left out of current prices. Coverage is limited to the vendors PeptideTech tracks, not every seller of Cortagen.
Which Cortagen supplier is best for a given package?
PeptideTech does not name one best Cortagen supplier. For each exact package, offers are ranked by displayed price only: for 20mg, Amino USA has the lowest current in-stock price ($50.00, observed Nov 8, 2026). Separately, each vendor’s grade (rubric v0.6) is computed from its lab documents, business records and service terms, and each offer shows the lot certificate matched to that package, if any. Among vendors with a current 20mg price, Amino USA has the highest grade (75/100). Compare price, grade and certificate together for the package you need.
Is the Cortagen 20mg price for one vial or several?
One. Every 20mg offer compared here is a single vial labelled 20mg, so its price per mg is the item price divided by 20mg. Multi-vial packs, kits and bundles are left off the comparison, because a pack is a different unit from one vial. Check the selected option on the vendor’s page before ordering. The listings compared here are research-use-only products sold for laboratory research, not medicines for human use.
What sizes of Cortagen are available?
Cortagen is sold in 1 size: 20mg. This page compares the selected package; availability differs by form, size and vendor.
Are the Cortagen prices and discount codes current?
Each offer shows the date its price was last observed at the vendor (newest for 20mg: Nov 8, 2026); loading the page does not check vendors again. Automated sources run on a schedule and other sources are checked by hand, so dates differ by vendor. A listing not seen for 7 days is marked historical and excluded from current prices. A code is deducted from a price only when its discount was verified in a cart; for 20mg, 2 offers carry a code shown before its discount.
Which Cortagen coupon codes work?
Code TECH10 was accepted in a recorded cart check. Listed prices remain before this coupon; confirm eligibility for the selected items in your cart. Code PEPTECH was accepted in a recorded cart check. Listed prices remain before this coupon; confirm eligibility for the selected items in your cart.
What does a Cortagen COA show?
A certificate of analysis reports the tests one laboratory ran on one lot, commonly identity (mass spectrometry or HPLC retention time) and purity (HPLC), and sometimes net content, endotoxin or microbial tests. A result covers only the tests printed and the lot named. PeptideTech has matched 2 vendor-published lot certificates to Cortagen packages from 2 vendors; the newest is Amino USA’s 20mg lot 26CORT20-0005 from BioRegen (Jul 7, 2026), reporting identity (MS), purity (HPLC), net content and appearance. Match the product, size, lot and date to the package you compare and open the original. PeptideTech has not authenticated the samples, and an archived lot may not be the lot that ships.
Is Cortagen FDA approved?
A product-specific regulatory review has not been completed. This catalogue entry does not establish authorization, lawful sale or import eligibility in any country; check the exact product and destination with the relevant regulator. Every listing on this page is a research-use-only product, whatever the status of any approved medicine with the same active compound.
Has Cortagen been tested in clinical trials?
No ClinicalTrials.gov registration listing Cortagen as an intervention was matched (checked October 1, 2026). This is a gap in matched records, not proof that no study exists. The selected PubMed records for Cortagen are laboratory, animal or review publications; none is a human study in which participants received it. The listings compared here are research-use-only products sold for laboratory research, not medicines for human use.
Is Cortagen legal to buy?
A research-labelled listing does not establish legal eligibility in every jurisdiction. Product status, purpose, import rules and destination matter. Review the jurisdiction-specific sources in the reference notes; PeptideTech does not provide a worldwide legality determination.
observed source prices · last 14 days
Cortagen price history
Actual source observations from the last 14 days, shown separately by supplier, package and currency. Missing days are not filled in. The first refresh can preserve an earlier recorded price; it does not establish a daily price history.
| Observed (UTC) | Supplier | Package | Price | Stock |
|---|---|---|---|---|
| 2026-11-08 07:45 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-07 07:46 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-06 07:47 | Cenexa Labs | 20mg · Vial | $58.99 | In stock |
| 2026-11-06 07:46 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-05 07:48 | Cenexa Labs | 20mg · Vial | $58.99 | In stock |
| 2026-11-05 07:47 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-04 07:47 | Cenexa Labs | 20mg · Vial | $58.99 | In stock |
| 2026-11-04 07:46 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-03 07:48 | Cenexa Labs | 20mg · Vial | $58.99 | In stock |
| 2026-11-03 07:47 | Amino USA | 20mg · Vial | $50.00 | In stock |
| 2026-11-02 07:48 | Cenexa Labs | 20mg · Vial | $58.99 | In stock |
| 2026-11-02 07:47 | Amino USA | 20mg · Vial | $50.00 | In stock |
Research reference
Reference review pending
Cortagen is a catalogue entry whose compound-specific reference review has not yet been completed.
Identity checks
Confirm the exact chemical identity, modifications, salt and formulation before relying on a similarly named paper or product.
Reference review pending
No compound-specific supporting citations have been selected for this entry. The research links below are searches to help locate records, not supporting evidence or a statement that a matching trial exists.
Regulatory context
A product-specific regulatory review has not been completed. This catalogue entry does not establish authorization, lawful sale or import eligibility in any country; check the exact product and destination with the relevant regulator.
Research searches — not supporting citations
Search results may include unrelated records. A search link does not establish that a matching study exists.
These selected sources describe named substances and studied formulations. They do not authenticate a supplier, a certificate of analysis or the contents of a particular lot, and do not provide instructions for use. “Healing” and other catalogue categories are navigation labels, not evidence of efficacy or treatment recommendations.
Save Cortagen
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