Crackers and breads are banned as they float around and can get into eyes of astronauts.
They are likely to turn soggy and also float around in space.
Carbonated drinks ail to fizz in space and remain flat, hence difficult to gulp them.
They cannot be sprinkled in space and they float around and can get into people's eyes.
The refrigeration facility is missing in space and hence astronauts prefer dehydrated milk.
Since there are no freezers, ice creams cannot be part of pantry in space.
Crispy pizza is not allowed as it can turn soggy due to varied temperatures.
Alcohol can destroy equipment inside the space station and can lead to safety risks.