How long can I do Schulze's Intestianl #2 for? Please reply

I have been very sick for 4 years now and have recently gotten relief when doing Dr. Schulze 's Intestinal #1,#2 and Superfood. After my first run of taking the Intestinal #2 clay for 15 days when I went off it I immediately noticed that I became foggy again and lethargic (think the clay was helping to pull out my heavy metals)so I started back on the clay. I have been doing it for almost 7 weeks now (my energy has been really good). Just recently during the 6 week I passed some parasites too. I am wondering if it is okay to be doing the clay for this long. Also, are there any risks for doing a deep Colon Cleanse for so long? Does it also take away my nutrients? I would like to continue doing the cleanse (to pull out more parasites and etc) but now I am wondering if it is contributing to my hair loss (may be due to a lack of nutrients~~been going on for a while I have lost over 3/4's of my hair and I am a female!!). Any thoughts on this?

Thanks for all your help : )
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