It happens to quickly to be a Herx effect. It is one of the symptoms of a toxin, and your body is trying to get rid of it. It's all in the timing.
As far as the FDA, they certainly aren't perfect, but without them we would end up with more Thalidamide. It was one of the main reasons to start the FDA to begin with. It has many problems, but it is better than nothing at all. Now explain to me what the FDA has to do with why Miracle-Mineral-Supplement is or isn't good to take. You sure can't blame the FDA for the shortcomings of Miracle-Mineral-Supplement . What is the rant about the FDA about?