Ferventer
4 tablets a day of what? What size?
How do you think toxins are eliminated from the body? Many ways actually but kidneys are certainly a big one. If you go stirring things up and forcing a lot of toxins into the blood stream they are going to need to be dealt with.
This is why its often recommended to start slow to see how you respond and then up the dose. Clearly you didnt research the subject.