FDA reviewers identified one human study supporting the proposed indication of ulcerative colitis: a decades-old meeting abstract that was never published as a peer-reviewed trial and that used an oral route of administration rather than the injectable or subcutaneous routes that wellness clinics use
Toor says her patients rave about their benefits, and she herself relies on them when she needs a boost, like when shes worn out from a long airplane flight or when I havent been goodyou cant do everything perfectly all the time, and B12 helps. For me she recommended shots every two weeks

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
Getting FDA approval is a rigorous process