The library
no
Saccharin
chlorofluorocarbons (CFCs)
comprehensive test banned trity
No, Oreos are not banned in Europe. They are widely available for purchase in many European countries.
Surfing
Milk of Magnesia was banned from being sold in Australia as it is considered an additive, and there was evidence that chronic use of the substance could lead to renal failure. Other safer alternatives are available, such as Mylanta.
Leaded fuel which has been banned for sale in the U.S. has a lead additive added during the refinery process.
The Netherlands and France. Their might be more, but I'm not sure.
France
No, you cannot be banned for playing on a EU server from the US. It does not matter where you connect from as long as you are using the EU client.
It can be made out of whales blubber but you can get chewing gum which is not.