I am not against natural therapies but since i have systemic parasites too and i have tried the natural bitters i had to conclude they have just made everything worse. Systemic infections need systemic drugs because systemic worms cause an awful lot of damage in important organs (brain, liver, kidney etc) therefore they need to be killed as soon as possible. The bitter herbals really just make them go crazy and they escape to another part of your body. Worms in your brain are dangerous. Please see mattk3's document on the fluke formula he has successfully used. It takes about 50-60days with his formula to eliminate them completely, given you follow his dosing guidelines and all the rest of the protocol requirements, letter by letter. He has a picture in the document where fluke skins were exiting his finger. That is not a joke.