Decompose or digest? Kind of same anywau, so for it to completely digest it can take up 4 hours
depends what kind of food it is :$
about 4 hours depending on the food
it take 3 day for the food to pass though the body
About a day
A Week
not very long
So that food can be conviently stored and preserved in long term.
obviously it depends on the food you would ingest
The Mayo Clinic did a study on how long it takes to process food. On average, from the time you eat to the time it take to comes out is 53 hours.
A great deal will depend on the food and water you take in.
It will take twice as long for the effects to kick in!
about 5 months