ʻO TB500 kahi peptide multifaceted i hana ʻia i loko o ka lab. Loaʻa iā ia ke ʻano like a me ka hana me Thymosin Beta 4 i hana ʻia e ka thymus gland i loko o ke kino. ʻO TB500 a me  Thymosin Beta 4 he 43 mau amino acids ma ke kaʻina like a loaʻa nā hopena like i ka hoʻōla a me ka hoʻōla. I ka pōkole, ʻo TB500 kahi mana synthetic o Thymosin Beta 4. No laila, hoʻohana mākou i nā inoa ʻelua ma ke ʻano he like nā hopena āpau.