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Nutrition Basics

Intestinal Transit

The time it takes for food to pass through the intestine.

Definition

Intestinal transit refers to the progression of food and digestive residues through the intestine, from the stomach to the anus. The normal duration is 24 to 72 hours.

How it works

A slow transit favors constipation and increases exposure of the mucosa to potentially toxic substances. A too rapid transit reduces nutrient absorption. Fibers, hydration, and physical activity regulate transit. Stress and sedentariness disrupt it.

Role

Allow optimal absorption of nutrients and elimination of digestive waste.

Examples

  • Normal transit: 1-2 stools/day
  • Constipation: less than 3/week
  • Diarrhea: more than 3 liquids/day

Recommendations

30g of fiber/day, 1.5-2L of water, regular physical activity for optimal transit.

Key takeaway

A regular transit is a reflection of a balanced diet and good hydration.

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