Medical Nutrition Therapy

Diverticulitis Nutrition

Specialized dietetics for chronic and recurrent diverticulitis.

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Diverticulitis nutrition has changed significantly in the past decade. The old advice to avoid nuts, seeds, and popcorn has been disproven for most patients. Our dietitians provide evidence-based guidance for flares, recovery, and long-term prevention.

Conditions we treat

  • Acute uncomplicated diverticulitis recovery
  • Chronic recurrent diverticulitis
  • Post-surgical (resection) nutrition
  • Smoldering diverticulitis
  • SUDD (symptomatic uncomplicated diverticular disease)

Our approach

Eating after diverticulitis happens in stages — and getting each stage right matters more than blanket food avoidance:

Phased reintroduction

Clear liquids → low-residue → high-fiber, paced to your symptoms and clinical course.

Long-term fiber strategy

Building a 25–35g/day fiber pattern with the right balance of soluble and insoluble fiber.

Trigger identification

Working through suspected triggers methodically rather than restricting everything at once.

How it works

  1. 1

    Initial intake

    Review your history, recent flares, and current eating pattern.

  2. 2

    Phase plan

    Written meal plans for whatever stage you are in — flare, recovery, or maintenance.

  3. 3

    Follow-ups

    Biweekly initially, then monthly as you stabilize.

  4. 4

    Maintenance

    Quarterly check-ins for ongoing prevention.

Is this right for you?

Best for

  • Patients who have had two or more episodes
  • Patients recovering from a recent flare
  • Anyone confused by conflicting diet advice

Not the right fit

  • Acute severe diverticulitis (this is outpatient nutrition, not emergency care)
  • Patients with active abscess or perforation
  • IBD masquerading as diverticulitis (we will refer)

Frequently asked questions

Can I eat nuts and seeds?

Very likely yes. Large prospective studies have shown no increased risk of diverticulitis from nuts, seeds, or popcorn — and possibly a protective effect.

How much fiber should I eat?

Long-term, most patients aim for 25–35g/day. The path to get there matters more than the destination — too fast and you will have symptoms.

What about low-FODMAP?

Some patients with persistent symptoms between flares benefit from a structured low-FODMAP trial. We use it as a diagnostic tool, not a permanent diet.

Do probiotics help?

Evidence is mixed. We discuss them case by case rather than recommending universally.

Ready to start?

Schedule a free 15-minute discovery call to see if this program fits your needs.