BPC-157 and TB-500 target complementary pathways in tissue repair. BPC-157 primarily acts locally — promoting angiogenesis, upregulating growth factor receptors, and protecting the gut-brain axis. TB-500 (Thymosin Beta-4 fragment) promotes systemic cell migration and actin polymerization, enabling immune and repair cells to reach injury sites more efficiently. Research suggests their mechanisms are additive rather than redundant, making the combination a popular subject in multi-modal recovery studies.

Preclinical research on BPC-157 spans a wide range of tissue types including tendon, ligament, muscle, bone, gastric mucosa, intestinal epithelium, and peripheral nerve. It has been studied in rodent models of Achilles tendon transection, rotator cuff injury, colitis, and traumatic brain injury. Human clinical data remains limited — current evidence is primarily from in-vitro and rodent studies.

TB-500 is a synthetic peptide corresponding to amino acids 17–23 of the full Thymosin Beta-4 protein — specifically the actin-binding domain responsible for most of TB4's regenerative activity. As a smaller fragment it is easier to synthesize to high purity and is more stable in solution. Research suggests this fragment retains the primary bioactive properties of the full-length protein relevant to cell migration and tissue repair.

No. All products sold by Clean Labs USA are strictly for laboratory and in-vitro research use only. They are not drugs, supplements, or food products and are not intended for self-administration or therapeutic use. Purchase constitutes agreement to our Research Use Only terms.

Store lyophilized powder at −20°C in a sealed vial, protected from light. Shelf life exceeds 24 months under these conditions. Once reconstituted with BAC Water, store at 4°C and use within 28–30 days. Do not freeze reconstituted solution.