If feces is the bits of food that our body couldn’t digest or use, is it possible to eat a diet that our bodies can use 100% and never have to defecate? And, if so, could such a diet ever be healthy or would it always be deficient in some nutrients?

Question

If feces is the bits of food that our body couldn’t digest or use, is it possible to eat a diet that our bodies can use 100% and never have to defecate? And, if so, could such a diet ever be healthy or would it always be deficient in some nutrients?

In: 90

Answer 1

Yes it is possible! In fact it’s something NASA has put a lot of time and energy into researching. Because they didn’t want to deal with astronaut poop.

So it turns out the human body is good at completely consuming certain proteins. It turns out chicken eggs and lean beef are both really good at not leaving waste in your body. So for a really long time NASA astronauts would eat nothing but steak and eggs for a few days before launch. Although I don’t think that’s the case anymore.

Anyway high protein and low fiber foods are what you should go for if you don’t want to poop.