I used PC123. Either I didn't have any parasites or it didn't work. I don't know which! Probably I didn't have any parasites, because I fasted a long time and my feeling is that it's as high a quality tincture as Clarkia . (The company claims higher quality, of course.)

The only reason I'm responding to your question is to point out that PC-123 has Senna extract in it. I got into a little tiff about Senna being in there, because Senna is a laxative, and long term use causes addiction by weakening the bowel muscles so you can't take a shit without it! Very bad. In the end I decided that the tiny dose in PC-123 (it's the last ingredient) probably didn't hurt me, though.

The company claims PC-123 is actually better because of the Senna in it. I wrote to Beachwood Canyon and the president of the company wrote back to assure me that Senna is a "dual function herb", a laxative a high doses and a "bowel toner" at low doses like in PC-123. He also said it is in there to "synergize" the other herbs in the tincture. I asked how he knew Senna had those functions and he said long personal experience and an extensive personal library.

Maybe he's right. I'm just passing it along for what it's worth.