Thymosin beta-4 is the most abundant G-actin sequestering peptide in mammalian cells, maintaining the pool of unpolymerised actin monomers available for cytoskeletal dynamics, and was originally identified as a thymic hormone before its much broader roles in wound healing, angiogenesis, cell migration, anti-inflammatory biology, and tissue regeneration were characterised
Individuals with Raynauds disease experience exaggerated vascular responses to cold that can cause tissue damage and should avoid cold therapy
others may be compounded preparations used at the prescribing physicians discretion
Community PCT references describe several hundred to about 1,500 IU two to three times weekly for a few weeks, often paired with a SERM, to help restart suppressed testosterone production
This indicates the peptide may help slow or reduce the progression of joint tissue breakdown, though the duration and magnitude of this effect in humans remains unknown