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Nutrition

FODMAP Reintroduction Portions

FODMAP reintroduction portions use measured test doses per food group—your tolerated ceiling becomes a practical portion guide for meals and race-week fueling.

FODMAP reintroduction portions are measured test doses—not eyeballing a whole apple or a restaurant garlic bread basket. Published challenge guides list gram ranges for fructans, lactose, polyols, and other groups; a green-light food at two tablespoons may fail at one cup.

Weigh or measure during challenges, then relax precision once you know personal ceilings. Endurance athletes often tolerate small wheat or onion doses pre-run but not stacked with stress and poor sleep.

Common questions

  • Do portion sizes matter after reintroduction?

    Yes. Many foods are dose-dependent—you may tolerate a quarter cup of hummus but not a full bowl. Your challenge notes become long-term portion guides.

Related guide

Low FODMAP Starter Guide: Elimination, Safe Foods, and Reintroduction →

Related terms

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