Board Thread:Naruto Discussions/@comment-25051328-20140818021248/@comment-24519434-20140820221613

ItachiWasAHero wrote: Itachi did not have high reserves of chakra in life because of his disease. His Edo Tensei form most likely did though.

All members of Akatsuki had high levels of chakra and he is Uchiha. His disease hurt him in Akatsuki but before that he had high enough levels of chakra to be in ANBU.