Researcher Verification

QC Labs sells research compounds exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.

By proceeding you affirm the statements above are true. Products are not for human or veterinary use, not for use in diagnostic procedures, and have not been evaluated by the U.S. Food and Drug Administration.

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TB-500
5mg
Research Peptide

TB-500

Synthetic thymosin beta-4 fragment supplied as a lyophilized powder for in vitro and nonclinical research. Third-party tested. For research use only. Not for human consumption.

High Purity
Research Grade
Select Vial Size
Price$34.99
SKUQC-TB5-010
Backordered — ships in 3–4 weeks

Shipping Estimator

FedEx 2 Day Shipping$15.00

Processed within 1–2 business days, then delivered in 2 days · Free over $250

Product Overview

TB-500 is a synthetic fragment of the thymosin beta-4 protein, supplied as a lyophilized powder for in vitro and nonclinical laboratory research. Each lot is independently tested by third-party laboratories for identity and purity before release. For research use only — not for human consumption.

Independent Verification

Third-Party Lab Verification

At QC Labs, we are committed to transparency and quality. Third-party laboratory reports are provided to help verify product identity and purity. Reports are available for reference and correspond to the applicable product supplied by our manufacturing partner.

Lab: Kovera LabsTask: KVR-2026-E8E644Purity: 99.862%Analyzed: 2026-07-16
Third-Party Tested
High Purity Verified
Identity Confirmed
COA Available
Manufacturer batch COA

Third-party laboratory reports are provided for transparency and correspond to the applicable product supplied by our manufacturing partner. Results may vary by manufacturing batch. Always refer to the report associated with the product you are purchasing.

Volume Discounts
BEST VALUE

5+ Vials

10% off

3 Vials

7% off

2 Vials

5% off

Applied automatically at checkout.

For Research Use Only • Not for Human Consumption

This product is not intended to diagnose, treat, cure, or prevent any disease. It is a research reagent, that has not been evaluated or approved by the FDA. Not for human or veterinary use. Customers must be 21 or older and are responsible for verifying compliance with local laws.

FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE • FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION • QC LABS ANALYTICAL STANDARDS • PRECISION • PURITY • PERFORMANCE •