How fast can food pass through the body?

Question

I have read somewhere that it is normal to defecate about once a day. This leads me to think that it takes about 24h for food to pass through the body under normal circumstances.

Now lets say you eat some bad sushi that triggers “the runs” within an hour.
When you then defecate, is it the actual sushi that comes out or is it just the food you ate before the sushi?

Also, how fast could food theoretically go from mouth to anus?

In: 935

Answer 1

Coming out the rear about 24 hours, but if you want to speed run eat asparagus. You can smell it when you pee within minutes. It doesn’t take the same path but has entered stomach, then the bloodstream then been filtered out by the kidneys.