Is it safe to use z4root?

I've heard about z4root, but I'm a bit hesitant to use it. Can you tell me if it's SAFE to use? I've heard mixed reviews, some saying it's a great tool for rooting Android devices, while others are warning about potential security risks. As someone who values their digital security, I want to make sure I'm making the right decision before installing it on my device. Can you provide me with some insights into the safety and security of using z4root?