Compounded in U.S. 503A / 503B pharmaciesThird-party tested — potency, sterility, endotoxinPrescribed only by licensed U.S. providersCold-chain packed · tracked shippingCertificate of Analysis on every lotNo research-use chemicals — prescription onlyCompounded in U.S. 503A / 503B pharmaciesThird-party tested — potency, sterility, endotoxinPrescribed only by licensed U.S. providersCold-chain packed · tracked shippingCertificate of Analysis on every lotNo research-use chemicals — prescription only

TB-500

Thymosin Beta-4 fragment

Commonly chosen for: Whole-body recovery, flexibility, less scar tissue

TB-500 product photo from the HealthProsUSA storefront
Product photo from the HealthProsUSA storefront. Packaging may vary by dispensing pharmacy.

What it is

TB-500 copies the active part of a protein your body already makes when healing a wound. Its main job is helping repair cells physically travel to where the damage is. It supports new blood vessel growth, cuts down on stiff scar tissue, and helps healing tissue stay flexible. It's usually paired with BPC-157 because the two solve different halves of the same problem.

How it works

TB-500 copies the active part of thymosin beta-4, a protein your body already makes when healing a wound.

Its main job is cell migration — helping repair cells physically travel to where the damage is. It also supports new blood vessel growth.

Because it acts system-wide rather than at one point, it is associated with less stiff scar tissue and better flexibility in healing tissue.

Who it's typically for

  • People with several areas that need recovery rather than one.
  • People concerned about stiffness and scar tissue after an injury.
  • People pairing it with a locally acting peptide.

What to know before starting

Read this part properly

Common side effects

Injection-site reactions, temporary tiredness and head-rush sensations are the usual reports. Human research is limited and long-term safety data does not exist.

Who should avoid it

Not appropriate in pregnancy or breastfeeding, or with active cancer, given its effect on cell growth and blood vessel formation.

Consult requirement

No scheduled video visit required — reviewed and prescribed by a licensed provider. Add a consult if you have a chronic condition or take other medication.

This page is educational and is not medical advice. Nothing here is intended to diagnose, treat, cure or prevent any disease. Where you see the FDA-Approved Ingredient mark, the active ingredient is FDA-approved in at least one prescription medication. Products without it are prescribed based on your provider's clinical judgment and current research. Compounded preparations are not FDA-approved products in either case.

Often paired with

Questions people ask

More in Injury Recovery, Joints & Inflammation

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BPC-157

Tendons, joints, muscle recovery, gut health

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KPV

Gut inflammation, inflamed skin conditions

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Wolverine

Injury recovery — our most popular repair blend

Learn more

Related reading

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Treatment is only available if determined medically appropriate by a licensed provider.

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