Thymosin Beta 4 (TB-4) is a naturally occurring peptide found in nearly all human and animal cells, recognized for its powerful role in tissue repair, regeneration, and cellular protection. It functions primarily by regulating actin, a key protein involved in cell movement and structural integrity. Through this mechanism, TB-4 supports rapid cell migration to injured sites, accelerates wound closure, and enhances overall tissue remodeling. This makes it an important peptide in the study of skin repair, muscle recovery, tendon and ligament healing, and post-injury rehabilitation. One of the most significant benefits of Thymosin Beta 4 is its strong anti-inflammatory and cytoprotective properties. By modulating inflammatory responses, TB-4 helps limit secondary tissue damage following injury while supporting faster and more organized healing. It has also been shown to promote angiogenesis the growth of new blood vessels ensuring improved oxygen and nutrient delivery to damaged tissues, which is essential for optimal recovery and long-term tissue health.