... /vial Thymosin β4 Acetate (TB-500) Standard Size 200 µg Sequence Ac - Ser - Asp - Lys - ... contain 100 µg of NET peptide. HPLC Analysis Purity ≥95% TB-500 is a synthetic fraction of the protein thymosin beta ... of new blood and muscle cells. The healing effects of TB-500 have been observed in tendons, ligaments, muscle, skin, heart ...