Multiple choice general knowledge hoW MUCH TIME DOES IT TAKE FOR FOOD TO DIGEST COMPLETELY? 10 hrs 12 hrs 14 hrs 16 hrs Reveal answer Fill a bubble to check yourself B Correct answer Explanation Complete digestion time varies significantly by individual and food type, but the average meal takes approximately 12 hours to fully pass through the digestive system. Large or complex meals can take longer, while simple foods digest more quickly.