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What is hereditary fructose intolerance (HFI)?

Patsy Catsos
Nutrition & Dietetics
Hereditary fructose intolerance (HFI) is an inborn error of metabolism, and individuals with this disorder cannot and should not consume any fructose at all, no matter how small the amount. Many individuals with HFI are diagnosed in infancy or childhood, when caregivers note the child is violently ill after ingesting anything containing fructose, such as table sugar or honey. Some adults have undiagnosed HFI; they have an absolute aversion to sweets of any kind, going back to childhood. This "dislike" of sweets may run in the family.
IBS: Free at Last! Change Your Carbs, Change Your Life with the FODMAP Elimination Diet, 2nd Edition

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IBS: Free at Last! Change Your Carbs, Change Your Life with the FODMAP Elimination Diet, 2nd Edition

IBS should not make you skip a beat—get your groove back! Tired of missing the fun because of your irritable bowel syndrome (IBS)? Confused about what to eat? Think you’re the only one who feels...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.