Apparently, RU-21 was created by the former KGB to keep its agents sober so that they could drink opponents under the table before stealing their secrets. Problem was, the KGB pill didn't stop drunkenness. Marketers in America claim that it has been clinically tested at the Russian Academy of Sciences. Apparently, it prevents the harmful effects of acetaldehyde which is produced when alcohol is consumed. (more facts on hangovers)
According to the Guardian, Hollywood actors are said to be fond of the fix, which enables them to make the most of comment board where people were describing their experience with it. Not very reassuring. I think I'll just stick with a glass of Lynch every once and a while. Why are we stuck with 4,000 year old tools anyway?