<page_title> Testosterone (medication) </page_title> <section_title> Pharmacokinetics </section_title> <table> <cell> Testosterone propionate <col_header> Testosterone ester </col_header> </cell> <cell> 0.8 days <col_header> Elimination half-life </col_header> </cell> <cell> Testosterone enanthate <col_header> Testosterone ester </col_header> </cell> <cell> 4.5 days <col_header> Elimination half-life </col_header> </cell> <cell> Testosterone undecanoate <col_header> Testosterone ester </col_header> </cell> <cell> Tea seed oil solution <col_header> Form </col_header> </cell> <cell> 20.9 days <col_header> Elimination half-life </col_header> </cell> <cell> Testosterone undecanoate <col_header> Testosterone ester </col_header> </cell> <cell> Castor oil solution <col_header> Form </col_header> </cell> <cell> 33.9 days <col_header> Elimination half-life </col_header> </cell> <cell> Testosterone buciclatea <col_header> Testosterone ester </col_header> </cell> <cell> 29.5 days <col_header> Elimination half-life </col_header> </cell> </table>
Administered in the form of oil solutions, the half-lives are 0.8 days for testosterone propionate, 4.5 days for testosterone enanthate, 20.9 days (in tea seed oil) and 33.9 days (in caster oil) for testosterone undecanoate, and 29.5 days for testosterone buciclate.