IBD research sources

Content note: Educational content aligned with publicly available patient materials from the Crohn's & Colitis Foundation and other major IBD education sources. IBDPal is not affiliated with or endorsed by the Foundation. Last reviewed June 2026. Not individual medical advice.

Educational use only. IBDPal does not provide medical advice, diagnosis, or treatment. Always consult your gastroenterologist or IBD care team for personal decisions.

Government public health pages, clinical guidance, and research registries for Crohn's disease and ulcerative colitis. IBDPal links to originals and summarizes in patient-friendly language. Not medical advice.

Reuse and licensing notes

Many U.S. government health pages are public information, but not every image, journal article, or third-party item on a federal site is reusable. IBDPal links to originals, summarizes in our own words, and notes source reuse guidance when available. Always check the publisher page before copying charts, images, PDFs, or licensed third-party material.

AGA Clinical Practice Update: Diet and Nutritional Therapies in IBD (2024)

American Gastroenterological Association · 2024 · clinical guidance, nutrition therapy, Crohn's, colitis

AGA guidance on how gastroenterologists may discuss diet and nutritional therapies with IBD patients. Covers enteral nutrition, exclusion diets, micronutrients, and when to involve a dietitian. Emphasizes that diet supports medical care and is not a standalone cure.

Professional society guidance. Link and summarize; do not assume open reuse of full text or graphics.

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Crohn's & Colitis Congress 2024: IBD Diet & Nutrition Research Updates

Nutritional Therapy for IBD / Crohn's & Colitis Congress · 2024 · conference, diet research, nutrition science

Recap of nutrition-focused presentations from the 2024 Crohn's & Colitis Congress. Highlights emerging diet trials, patient-reported outcomes, and practical themes clinicians discussed for Crohn's disease and ulcerative colitis.

Third-party recap. Link and summarize; verify permissions before reusing substantial text or media.

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Micronutrient Deficiency in Crohn's Disease

WebMD · 2024 · vitamins, iron, B12, malabsorption

Overview of common vitamin and mineral shortfalls in Crohn's disease, including iron, B12, vitamin D, and folate. Explains why inflammation, surgery, and diet restriction can raise deficiency risk and why labs matter.

Commercial health publisher. Link only unless permission is granted.

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NIH Office of Dietary Supplements: Dietary Reference Intakes (DRI)

National Institutes of Health · Reference · DRI, RDA, AI, age, sex, micronutrients

Official NIH hub for U.S. Dietary Reference Intakes. Reference amounts for energy, protein, vitamins, and minerals vary by age and sex. IBDPal uses these values as baseline daily tracking goals, not personalized prescriptions.

NIH public information; verify page notices before reusing charts, tables, or third-party material.

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Dietary Reference Intakes (DRI): Summary Report

National Academies of Sciences, Engineering, and Medicine · Reference · DRI, RDAs, nutrition standards

Authoritative U.S. reference values for macronutrients, vitamins, and minerals. Complements the NIH ODS DRI tables. IBD teams adapt general DRIs when inflammation, malabsorption, or steroid use changes individual needs.

National Academies source. Link and summarize; verify reuse terms before copying report text or tables.

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Crohn's Disease

NIDDK, National Institutes of Health · Last reviewed July 2024 · Crohn's, symptoms, diagnosis, treatment, diet

NIDDK's Crohn's disease hub covers definition and facts, symptoms and causes, diagnosis, treatment, eating and nutrition, and clinical trials. Useful as a public, government-backed starting point for patient education.

U.S. government public health information; verify page-specific notices before reusing images or third-party content.

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Ulcerative Colitis

NIDDK, National Institutes of Health · Last reviewed September 2020 · ulcerative colitis, UC, symptoms, diagnosis, treatment, diet

NIDDK's ulcerative colitis hub explains UC basics, symptoms, diagnosis, treatment options, diet and nutrition, and research links in patient-friendly language.

U.S. government public health information; verify page-specific notices before reusing images or third-party content.

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Crohn's Disease

MedlinePlus, National Library of Medicine · Health topic · Crohn's, summary, diagnosis, treatments, living with IBD

MedlinePlus brings together Crohn's disease summaries, tests, treatments, living-with resources, clinical trials, journal article links, and patient handouts from NLM, NIH, and other trusted organizations.

MedlinePlus summaries are public domain, but some linked encyclopedia, drug, image, and partner content is copyrighted. Link and acknowledge MedlinePlus/NLM.

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Ulcerative Colitis

MedlinePlus, National Library of Medicine · Health topic · ulcerative colitis, UC, diagnosis, treatments, clinical trials

MedlinePlus collects UC summaries, diagnosis and test resources, treatment links, clinical trial links, journal article references, and patient handouts in one government health topic page.

MedlinePlus summaries are public domain, but some linked encyclopedia, drug, image, and partner content is copyrighted. Link and acknowledge MedlinePlus/NLM.

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Inflammatory Bowel Disease (IBD) Basics

Centers for Disease Control and Prevention · 2024 · IBD basics, symptoms, complications, quality of life, public health

CDC overview of IBD as a lifelong group of diseases, including Crohn's and ulcerative colitis, with symptoms, complications, medication categories, and quality-of-life context.

CDC public health information; verify page notices before reusing graphics, tables, or third-party material.

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IBD Facts and Stats

Centers for Disease Control and Prevention · 2024 · statistics, prevalence, costs, public health

CDC summarizes U.S. IBD prevalence estimates, differences across groups, health behaviors, comorbidities, and health care cost patterns, including estimates of 2.4 to 3.1 million people affected.

CDC public health information; verify page notices and cite CDC when reusing statistics.

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Clinical Trials for Crohn's Disease

NIDDK, National Institutes of Health · Last reviewed July 2024 · clinical trials, research participation, microbiome, genetics

NIDDK explains what Crohn's clinical trials are, how ClinicalTrials.gov lists studies, and examples of NIDDK-supported research such as IBD genetics and microbiome work.

U.S. government public health information. Clinical trial participation requires discussion with a qualified clinician.

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Clinical Trials for Ulcerative Colitis

NIDDK, National Institutes of Health · Research resource · clinical trials, ulcerative colitis, research participation, pediatric colitis

NIDDK explains ulcerative colitis clinical studies, ClinicalTrials.gov search pathways, and NIDDK-supported work such as IBD genetics and pediatric colitis response research.

U.S. government public health information. NIH does not review every non-federal study listed on ClinicalTrials.gov.

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ClinicalTrials.gov: Inflammatory Bowel Diseases

ClinicalTrials.gov, National Library of Medicine · Registry · clinical trials, registry, research participation

Official U.S. registry for clinical studies. Patients can search IBD studies by condition, recruiting status, location, sponsor, and study type, then discuss possible participation with their care team.

Public registry. Study records can change; verify details on ClinicalTrials.gov and with study contacts.

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Probiotics: What You Need To Know

National Center for Complementary and Integrative Health, NIH · NIH health information · probiotics, supplements, safety, microbiome

NCCIH explains probiotics, research uncertainty, safety considerations, and why supplement use should be discussed with clinicians, especially for people with serious illness or immune concerns.

NIH public health information; verify page notices before reusing images, graphics, or third-party content.

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Biosimilar and Interchangeable Biologics: More Treatment Choices

U.S. Food and Drug Administration · FDA consumer update · biosimilars, biologics, FDA, treatment access

FDA consumer education explaining biosimilars and interchangeable biologics, how they compare with reference biologics, and why they may increase treatment options and access.

FDA public information; verify page notices before reusing graphics, videos, or downloaded PDFs.

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How IBDPal nutrition baselines work

  • Baseline macronutrient and micronutrient targets follow U.S. Dietary Reference Intakes (DRI) from NIH, adjusted by age and sex.
  • Calorie, protein, and fluid estimates also consider basic profile inputs such as current weight. A single formula like 30 kcal per kg is not enough for every patient.
  • Higher calorie, protein, vitamin, or mineral needs during active disease, malabsorption, or deficiency are clinical decisions made with your gastroenterologist or IBD dietitian.
  • IBDPal tracks food and fluids against general reference levels. It does not prescribe supplements or replace medical nutrition therapy.
  • AGA guidance and IBD research explain when labs and dietitian visits matter. DRI tables define population reference ranges; your team personalizes targets.

Patient-friendly explainer: how nutrition targets work →

Related on IBDPal

Educational only. Not medical advice. Verify organization details before you rely on them.