TB-500 is a synthetic version of a naturally occurring peptide called Thymosin Beta-4. It is commonly used in research settings to study its potential regenerative properties, particularly its role in healing and tissue repair. GenLabs is one of the manufacturers offering this peptide in a convenient 5mg vial, paired with bacteriostatic water for reconstitution. https://www.yourmuscleshop.to/product/tb-500-5mg-vial-with-bacteriostatic-water-genlabs/