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About Us

Performance Clinics are World's premium quality sports research product suppliers. Our products are the highest quality / purity on the market, produced in the most sophisticated and highly regulated US facilities available and tested by World's most trusted quality assurance analysts with quality reports available on request.

We provide research only products to our clients and ensure access to the best quality product at a fraction of the price available to research specialists elsewhere. Please read our product usage disclaimer before deciding whether or not our products are suitable for your research project.

TB-500 (Thymosin Beta 4) (Rapid Recovery, Repair, Rejuvenation) 5mg


in stock



Product name: TB-500 (Thymosin Beta 4)

Short name: Rapid Recovery, Repair, Rejuvenation

Concentration: 5mg

Volume: 3ml vial

Suggested Diluent: Bacteriostatic water

Molecular Formula: C212H350N56O78S

Product Summary:

Thymosin Beta 4 is a first-in-class naturally occurring peptide present in virtually all human and animal cells. TB-500 has been shown to produce protein and growth factors that promote rapid wound healing, increased muscle growth with huge increases in endurance and strength as well as potent anti-aging, and anti-scarring properties just to name a few.

Thymosin Beta 4 promotes blood vessel cell and skin cell regeneration and migration, resulting in more rapid and effective wound repair as well as faster recovery from injury. Trials to date indicate faster recovery times following intense training, contributing to increased muscle tone, muscular endurance, strength, energy levels and general well-being.


TB-500 is sold in vials containing 5MG of lyophilised powder which should be stored under refrigeration. (It is acceptable however for them to be mailed unrefrigerated). The contents can be reconstituted by adding a convenient amount of sterile or bacteriostatic water.

For example:

5mg of powder

2.5ml of bacteriostatic water

equals 2,000 mcg/ml

At time of dosing, an insulin syringe is used to draw and then inject the desired amount. In the above example a 2,000 mcg (or 2mg) dose would require 1 mL, or “100 IU” as marked on an insulin syringe.

The most common dosing protocol is to take 2.0 or 2.5 mg of TB-500 either once or up to twice per week for four to six weeks, and then reduce to a lower dosing rate thereafter.

Note: All PC International products are for research purposes only. No statements made on this website or blog have been evaluated by your local or international administrative or regulatory body as our products are strictly for research purposes only. All products for sale are intended for laboratory and research use. All buyers must be a minimum of 18 years to purchase these products. These products are not intended to treat, cure or prevent any disease or illness. Please refer to our product use and disclaimer for more information.