Serge, want to keep your system running smooth and efficient? Drink aloe vera juice. The good juice has a tiny bit of lemon flavor, and is almost the consistency of water. You can buy it in varying amounts. After a big night of drinking, take a few swallows of the aloe. It will calm your stomach, act as a laxative if you are full of shit, and it will heal your hangover!
No chemicals to turn your crap pink, yellow, or green!