Dr. Ruscio Radio, DC: Health, Nutrition and Functional Healthcare

1008 - Best Diet to Repair Gut Health (Important New Research)

Mar 2, 2026
They explore sucrase-isomaltase deficiency as a common cause of bloating, loose stools, reflux, brain fog, and skin and joint problems. They discuss a low-sucrose-starch (SSRD) diet studied against low FODMAP and its surprising advantages. Practical testing, which foods to avoid or prefer, reintroduction timing, and supportive supplements and enzymes are also covered.
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INSIGHT

Sucrase Isomaltase Deficiency Is Common And Spectrum Based

  • Sucrase-isomaltase deficiency (CSID) is more of a spectrum than a rare binary condition.
  • Studies show prevalence from ~8% in general samples up to 25% among people with chronic GI symptoms, explaining many food intolerances.
ADVICE

Try SSRD As A Practical Alternative To Low FODMAP

  • Try the SSRD (sucrose-starch reduction diet) as an alternative to low FODMAP for IBS and chronic food reactivity.
  • Lund University randomized 155 IBS patients to SSRD vs low FODMAP to compare effectiveness directly.
INSIGHT

SSRD And Low FODMAP Yield High Symptom Response Rates

  • Both SSRD and low FODMAP produced ~80% response and ~25% complete resolution for GI symptoms.
  • Improvements spanned abdominal pain, diarrhea, constipation, reflux, and food intolerances, plus systemic symptoms like fatigue and headache.
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