Food grade DE is fine to take, I did ~2Tbs/Day for a year or two. Wolf Creek Ranch is where I got mine. In addition to being a mechanical killer of parasites (which is how I originally got it - for my dog's food and to dust with for fleas/ticks) it also has some supposed benefits as far as virus' and arterial plaque.
Tastes like you would expect - like dirt, LOL
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