For laboratory research use only. Not for human consumption. Sold by Explicit SARMs solely as reference material for in-vitro and animal research by qualified professionals. Not evaluated by the FDA and not intended to diagnose, treat, cure or prevent any disease.
Key facts: TB-500 5mg
- Amount: 5mg per vial
- Testing: Our manufacturer tests it twice during production, and we use an independent third-party lab for purity testing.
- Price: $69.99 as of November 2026
For laboratory research use only.
TB-500 is a synthetic peptide based on the active region of thymosin beta-4, a naturally occurring actin-binding protein. Each vial holds 5mg of lyophilized peptide, made in the US and third-party lab tested. A 10mg vial is also available.
TB-500 vs. thymosin beta-4
The two names get used interchangeably, but they aren’t the same molecule. Thymosin beta-4 is the full 43-amino-acid protein. TB-500 is a shorter synthetic peptide based on its actin-binding region. When you read the literature, check which one a study actually used.
Specifications
- Compound: TB-500 (synthetic thymosin beta-4 fragment)
- Amount: 5mg per vial
- Form: lyophilized (freeze-dried) powder
How we source and test it
TB-500 is made by US domestic manufacturing partners. Our manufacturer tests it twice during production, and we use an independent third-party lab for purity testing.
FAQ
Is TB-500 the same as thymosin beta-4?
No. Thymosin beta-4 is the full protein; TB-500 is a synthetic peptide based on part of it.
How much does TB-500 5mg cost, and where can I buy it?
As of November 2026, TB-500 5mg from Explicit SARMs costs $69.99 for one 5mg vial of lyophilized TB-500, a thymosin beta-4 based research peptide, and you can order directly on this page. US orders of $100 or more ship free, and orders placed before 2 PM ET, Monday to Friday, ship the same day. Sold for laboratory research use only.
What sizes are available?
5mg and 10mg lyophilized vials.
Can I get a COA?
Published COAs are not listed for this product; see the Learn More guide for research background.
Is TB-500 for human use?
No. It’s sold only as reference material for laboratory research.
What is TB-500 5mg?
TB-500 5mg is a research compound sold by Explicit SARMs as reference material for laboratory and in-vitro research only. It is not for human consumption.
Who tests TB-500 5mg?
Our manufacturer tests our products twice during production, and we use an independent third-party lab for purity testing.
What payment methods does Explicit SARMs accept?
We accept debit and credit cards, Zelle, Cash App, and ACH bank transfer.
Does Explicit SARMs ship internationally?
Yes. We ship within the United States, to Canada, and to other countries where local regulations allow the product. Available destinations and shipping options are shown at checkout.
For laboratory research use only. Not for human consumption. Sold by Explicit SARMs solely as reference material for in-vitro and animal research by qualified professionals. Not evaluated by the FDA and not intended to diagnose, treat, cure or prevent any disease.
