The how long to stay on semaglutide article covers long-term usage considerations including what happens when you stop
Ferroptosis, the programmed cell death due to iron and lipid dependent peroxidation, is associated with ageusia and anosmia, the early clinical manifestations of COVID-19 197,599,600
For Thymosin Beta-4 / TB-500 , there is somewhat more human work, but it concerns the full-length protein and specific indications like chronic wounds and corneal or cardiac injury, generally in early-phase studies
Common adverse effects include nausea, vomiting, diarrhea, and constipation, which are generally dose-dependent and often diminish with continued use