Research Use Only, Not for Human Consumption
21+ Required for Account Creation
Third-Party Lab Tested
99.6% Purity (HPLC Verified)
cGMP Certified Facility
Certificate of Analysis on Every SKU
Third-Party Lab Verified
Ships within 1 to 2 Business Days
PO Box Shipping Prohibited
Endotoxin Tested Every Lot
Research Use Only, Not for Human Consumption
21+ Required for Account Creation
Third-Party Lab Tested
99.6% Purity (HPLC Verified)
cGMP Certified Facility
Certificate of Analysis on Every SKU
Third-Party Lab Verified
Ships within 1 to 2 Business Days
PO Box Shipping Prohibited
Endotoxin Tested Every Lot
TB-500
In Stock
PeptidesNewIn Stock

TB-500

10mg

TB-500 is the synthetic form of Thymosin Beta-4, a 43-amino-acid peptide first isolated from calf thymus tissue in the 1960s.

$63.00
Certificate of Analysis
COA on file
Endotoxin
Endotoxin tested

Researcher Bulk Rates

The more vials per order, the lower the cost per vial.

Rate applied automatically at checkout

For Research Use OnlyCOA on file

Purchase Option

Category: Peptides
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FDA Disclaimer: The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease. All products are for laboratory developmental research USE ONLY. Not intended for consumption of any kind.

Product Usage:

THIS PRODUCT IS INTENDED FOR RESEARCH PURPOSES ONLY.

All product information available on this website is for educational purposes only. This product is not intended for consumption or bodily introduction of any kind. It should only be handled by licensed and qualified professionals. It is not a drug, food, or cosmetic, and must not be misbranded, misused, or mislabeled as such.

Certificate of Analysis

Every lot of TB-500 is released only after independent third-party analysis. The certificate is held on file for every lot we ship.

99%+

Purity

Purity (HPLC)Reported per lot
Identity (HPLC / MS)Confirmed
Net Peptide ContentReported per lot
Heavy Metals (ICP-MS)Pass
SterilityPass
Endotoxin (USP <85>)Pass
AppearanceLyophilized powder

ISO/IEC 17025

Accredited lab

Third-Party

Independent testing

Per Lot

Every batch tested

Certificate on file
TB-500AxisPharm, LLC99.4%Tested Nov 2025

Research Context

Published literature background, 99%+ purity material.

TB-500 is the synthetic form of Thymosin Beta-4, a 43-amino-acid peptide first isolated from calf thymus tissue in the 1960s. It has the molecular formula C212H350N56O78S, a molecular weight of 4,963.4 g/mol, and is identified by CAS number 77591-33-4. The peptide is notable for containing a central actin-binding domain, a region structurally complementary to actin, a major structural protein found in biology. Thymosin Beta-4 is classified as a naturally occurring intracellular peptide and is one of the most abundant members of the beta-thymosin family. TB-500 is supplied as a white to off-white lyophilized powder, soluble in water, and should be stored frozen for long-term stability. This product is strictly for research purposes only.

RESEARCH USE ONLY: This product is intended for laboratory research use only. Not for human or animal consumption. Not intended to diagnose, treat, cure, or prevent any disease. Must be handled by qualified research professionals only.

99%PURITY99%+ Purity
cGMP Certified
COA On File
FDA-Audited Facility
Third-Party Tested
USAMade in USA
Same-Day Shipping
Support

Frequently Asked Questions

Everything you need to know about TB-500

All products are supplied strictly for laboratory and research use only. They are not intended for human or veterinary consumption and are not intended to diagnose, treat, cure, or prevent any disease or condition.
Every batch is tested by an independent third-party laboratory using analytical methods including HPLC. Each product page lists the testing lab, purity and test date from its Certificate of Analysis.
Store lyophilized peptides at -20°C to 2 to 8°C for maximum stability. Once reconstituted, store at 2 to 8°C and use within 30 days. Keep away from direct sunlight and moisture.
Our compounds are produced in a cGMP-certified facility with consistent batch documentation and quality control standards appropriate for laboratory research applications.
Orders may be placed only by qualified professionals purchasing research materials for legitimate laboratory or scientific research purposes. All customers must be 21 years of age or older and complete the registration and acknowledgment process at checkout.
Orders are typically processed within 1 to 2 business days and ship via FedEx, UPS, or USPS in secure, tamper-evident, temperature-controlled packaging. Shipments to PO Box addresses are prohibited. Full details are available on the Shipping Policy page.

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TB-500 | Halcyon Labs | Halcyon Labs