14

In addition to the vegetarian and even vegan astronauts mentioned elsewhere, there soon may be more. In at least one of many possible scenarios for food on long flights, NASA astronauts on the proposed Mars mission for 2030 will be on vegan diets. The need for sustainable food options and preservability of the food is driving this choice.


8

As astronaut is always to choose the food of his/her own choice . They have a tasting period of 15 days to eat and choose what foods he/she likes to eat in space and the food choice has to meet the standard for rocket travel though. Of course there will be moderation by nutrition experts to ensure the astronaut is getting the recommended diet value of car/...


8

The potassium deficiency issues on the Apollo missions were at least to some degree due to exertion during the lunar EVAs. Despite the low gravity, the stiffness of pressurized spacesuits made what would otherwise be moderate activity more strenuous; the astronauts sweated off several pounds each according to Biomedical Results of Apollo: All Apollo ...


7

Yes; NASA selected bok choy, aka "Chinese cabbage", for one of their recent garden experiments, quite possibly because of its high vitamin c content (45mg, half of your daily recommended dose, per 100g). The mission launched in 2014, and as far as I'm aware was a success but I haven't tracked down the specific paper recounting the experiment, if anyone's ...


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