Hello EddieG,
It seems you are searching the internet for various treatments for removing heavy metals. That's good. This particular one, Bentonite Clay, seems to be basically for a patient having had radiation treatments.

I see quite a bit of information regarding the new one you've posted on also, Zeolite. No, I don't personally know of anyone having used either of these. It's always good when chelating for heavy metals to 'know your source' and even know people who have used it. So, if you decide to try the new one you've posted, Zeolite, be sure to let us know how it goes.

Always remember, don't believe everything you read on the internet. Maybe we'll hear from Russ on this new one? He's been there, and tried most all remedies....The DMSA and Algin have worked wonders for me. I still have amalgams, for health issues, I can't have removed at this time.

-BENTONITE CLAY-Detoxification
Bentonite clay can remove heavy metals and chemicals from the body after radiation treatment. It also balances bacteria in the digestive tract and cleans the colon of harmful toxins.

Adsorption and Absorption
Bentonite clay is adsorptive and absorptive. Being adsorptive, bentonite clay is negatively charged; as such, it removes the positively charged toxins from the system. Absorptive abilities allow the clay to absorb a higher number of toxins.

Cautions
Senior citizens and pregnant women should not take bentonite clay. Bentonite clay can cause a temporary spike in blood pressure that may be harmful to those with high blood pressure. Taking bentonite clay while using other medications or herbal programs may lessen the effectiveness of the medications.
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Edit/ Hi again!
If you recall, I asked that you type the 'item' of interest in the (SEARCH) triangle. I see there are several people who have tried the Zeolite. Maybe check it out?