Well if they go test it on rats before depositing it into local pharmacys, what do you expect? there is no way a rat (or monkey or rabbit or any other animal) will have the same genetic make up as a human. They test this thing out on the animals, they don't drop dead so they test it out on a handful of human volunteers who take the pill for maybe a month, this then "proves" the product is safe. But of course what it does not do is test out the long term side effects.
Yup, its calorie counting all the way IMO, at least then you know more about what your dealing with.