help for choosing the right parasites cleasing herb?

Hello everyone, I found this site a few days ago and were overwhelmed by the informaiton supplied here. I decided to do a parasites cleasing frist. But with so many method mentioned here, I couldn't decided which one I should choose. I read a lot of people talking aout Oxypowder , colonix, Clarkia ..., can someone tell me what is the advantage and disadvantage about each product?
I am a 40 years old female, health is ok. I feel fatigue very often.
Thanks. Tweet