TB-500 refers to the research form of thymosin beta-4, a 43-amino-acid actin-sequestering protein fragment associated with cell migration, angiogenesis and wound-repair processes in preclinical studies. The acetate salt form is commonly used in regenerative and recovery research due to its documented stability. It is supplied as a white lyophilized powder at >=99% HPLC purity in a sealed vial. Batch quality certificates, flexible pack sizes and worldwide shipping are provided for laboratory orders. This item is part of a catalog covering hundreds of research peptides and supplements, allowing consolidated procurement from a single supplier. We answer technical questions within business hours, provide storage and handling guidance, and ship worldwide with full tracking and delivery confirmation. Loyal customers benefit from tiered pricing on repeat purchases.