Some vendor and storage guides mention wider windows such as 3-6 weeks, but that does not mean every vial should be pushed to the longest possible date
Thymosin beta-4, connective-tissue organisation and rat wound repair
TB-500 and Thymosin Beta-4 are also prohibited by WADA/USADA under S2 (Peptide Hormones, Growth Factors, Related Substances and Mimetics), applicable at all times both in-competition and out-of-competition TB-500 / Thymosin Beta-4 Clinical Trials: The RGN-352 and RGN-259 Programs RegeneRx Biopharmaceuticals has pursued two clinical development programs for Thymosin Beta-4, providing the most substantial human clinical data available for any TB-500-related compound: RGN-352 (Injectable Thymosin Beta-4 for Cardiac Repair): Phase 1 trial (completed): A double-blind, placebo-controlled study enrolled 40 healthy volunteers across four cohorts of 10 subjects each, testing escalating dose levels of intravenous Thymosin Beta-4 administered daily over 14 days
Anderson JV et al
For musculoskeletal injuries, the best evidence supports structured rehabilitation and progressive loading through exercise programs designed by physiotherapy and sports medicine professionals
Most patients start at 300 mcg/day and titrate toward 500 mcg/day