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Thymosin Alpha-1 Peptide

Thymosin Alpha-1 10mg research peptide vial, Thymalfasin, Pro Peptide Canada
Healing + Recovery
The immune system's drill sergeant, studied for how it whips T-cells into formation and sharpens the body's defense.
Earn up to 85 points.
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In stock, ships same day
SKU: PP-TA1
Tags 28-amino-acid peptide ≥99% purity COA verified immune modulation immune peptide immune research immune signaling immune support research immunology research immunomodulator lyophilized peptide canada recovery peptide recovery research research peptide synthetic peptide t-cell research Thymalfasin Thymosin Alpha-1 thymus peptide

Made in Canada

Domestic facility, no border delays

We guide you

Peptide Planner with every order

Cold-pack shipping

Free on every order

Same-day dispatch

Order by 2pm PT

Crush-proof box

Arrives intact, every time

Swab included

Sterile-wipe before each draw

What Thymosin Alpha-1 is

Immune peptide, plain

A signal your thymus already makes, studied for how it tunes immune cells.

The immune-system half of the recovery shelf.

Thymosin Alpha-1 is a copy of a signal your thymus gland already produces.

(A peptide is a short chain of the building blocks your body uses.) Your thymus is the training camp for certain immune cells, and this peptide is one of the messages it sends.

Researchers study it for how it tunes immune-cell activity. It lives on the Healing + Recovery shelf alongside repair compounds like KPV and BPC-157.

What it actually does

Thymosin Alpha-1 is studied for how it relates to the immune system, specifically the cells your thymus helps train.

The mechanism researchers poke at is modulation, the idea of nudging immune signaling up or down rather than just switching it on. A lot of the work is in cell and animal models. That's the angle. We're describing what gets studied, not promising it does anything for your immune system.

The research so far

Thymosin Alpha-1, also called thymalfasin, has a deep immune-signaling research file. You can dig into the literature on PubMed.

Featured angle

A thymus signal studied for immune tuning

The headline is that Thymosin Alpha-1 mirrors a natural thymus peptide and is studied for how it modulates immune-cell activity. The research file is one of the older and deeper ones on this shelf, mostly cell and animal work. None of it is a claim about what it does for a person.

Immunology research
Immune modulation

Tuning signals up or down, not just on.

Thymus origin

Based on a peptide the thymus naturally makes.

Research only

We stock it for research. The studies write the conclusions, not us.

The immune-signaling member of the recovery-research shelf.

Thymosin Alpha-1 specs

Compound specification SKU PP-TA1
Also known as
Thymalfasin, Tα1
What it is
Synthetic 28-amino-acid peptide
Sequence
Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN (28-aa)
Molecular formula
C129H215N33O55
Molecular weight
3108.30 g/mol
CAS number
62304-98-7
Purity
≥99% HPLC
Format
Freeze-dried powder
Storage
Keep it cold and out of the light

The backstory

Thymosin Alpha-1 was pulled from thymus tissue back when researchers were mapping immune signals.

  1. Found in the thymus

    Isolated from a fraction of thymus-gland extract.

  2. Studied for immunity

    Decades of work on how it relates to immune-cell signaling.

  3. Where it stands

    One of the longer-running immune-research peptides. We're not telling you what it does for you, just where the studies look.

Buying Thymosin Alpha-1 in Canada

The short version

Read the COA before you buy, not after

Every batch ships with its Certificate of Analysis, right here on this page. A number on a label means nothing without the paper to back it.

Same-day, packed cold

Order Thymosin Alpha-1 in Canada and it's out the door today. Cold chain, domestic shipping.

Freeze-dried 10mg vial

Lyophilized powder, sealed. No ice required for shipping.

Sold for research

Not for human consumption. Nothing on this page is a medical claim.

Pairs with the rest of the shelf

KPV

A small anti-inflammatory-signaling fragment.

View compound →

BPC-157

A repair fragment studied for gut and tendon work.

View compound →

ARA-290

An EPO-derived repair-receptor peptide.

View compound →

Order it

Thymosin Alpha-1, lyophilized, COA on the page

For research use only. An immune-signaling peptide with a clean Certificate of Analysis right here.

Add Thymosin Alpha-1 to cart Read the COA first

Not for human consumption. Not approved by Health Canada or any other regulatory body. This product is intended for in vitro and laboratory research applications only.

Certificate of Analysis

HPLC verified. The COA ships with every batch.

99.4%
HPLC Purity
✓ COA Verified

Batch PP-TA1-A

Tested
April 2026
Method
HPLC + Mass Spectrometry
Vial size
10mg lyophilized
Stored at
2 to 8°C, dark

Test results

HPLC verified
HPLC Purity99.4%✓ Pass
Mass spec confirmationConfirmed✓ Pass
Net peptide contentWithin spec✓ Pass
Endotoxin screenBelow detection✓ Pass
Visual inspectionUniform white powder✓ Pass
Every order ships with the COA matching that specific batch. If your source does not provide a COA, that is not a source. That is a mystery box.

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Stuff people ask us

If your question's not here, email us. Real human answers.

What is Thymosin Alpha-1?
Thymosin Alpha-1 (thymalfasin) is a synthetic 28-amino-acid peptide based on a natural thymus signal, studied in immune-modulation research. Sold as a lyophilized powder for research use only.
What is the molecular weight of Thymosin Alpha-1?
Thymosin Alpha-1 has a molecular weight of 3108.30 g/mol and the molecular formula C129H215N33O55 (CAS 62304-98-7).
How is the purity verified?
Every batch is tested by HPLC to at least 99% purity, and the Certificate of Analysis for that batch ships with the order and is shown on the product page.
How should it be stored?
Store the lyophilized powder cold and protected from light. Keep it sealed until use to maintain stability.
Does it come with a COA?
Yes. Every batch ships with its Certificate of Analysis, shown right on the product page, so you can confirm purity before you buy.
What does "research use only" mean?
It means this product is intended strictly for laboratory research. It is not for human or animal consumption, and nothing on this page is a medical or therapeutic claim.

Not for human consumption. Not approved by Health Canada. For in vitro research only.

Related Research Compounds