I-TB500 iyi-peptide enezici eziningi ekhiqizwa ngokwenziwa elebhu. Inokwakheka nokusebenza okufanayo ne-Thymosin Beta 4 ekhiqizwa indlala ye-thymus emzimbeni . I-TB500 kanye ne- Thymosin Beta 4 zombili zenziwe ngama-amino acid angu-43 ngokulandelana okufanayo futhi zinemiphumela efanayo ekwelapheni nasekululameni. Ngamafuphi, i-TB500 inguqulo yokwenziwa ye-Thymosin Beta 4. Ngakho-ke, sisebenzisa womabili amagama ngokushintshana njengoba yonke imiphumela ifana.