Dieta
A dieta trata a enfermidade inflamatoria intestinal?
Unha intervención dietética induce a remisión de forma case tan eficaz coma os corticoides. A maioría das demais teñen moito menos respaldo do que suxire internet.
Nutrición enteral exclusiva
Unha dieta líquida de fórmula, tomada exclusivamente durante seis a oito semanas, induce a remisión na enfermidade de Crohn pediátrica a taxas comparables ás dos corticosteroides — sen a supresión do crecemento que fai que os esteroides sexan problemáticos en nenos. É de primeira liña en boa parte da práctica pediátrica europea.
Por que funciona non está realmente claro. As posibles explicacións inclúen eliminar antíxenos dietéticos, cambiar a microbiota, eliminar aditivos alimentarios e simplemente proporcionar unha nutrición completa. Esa incerteza importa, porque é a razón pola que ninguén che pode dicir que partes dunha dieta normal eliminar para conseguir o mesmo efecto.
Nutrición enteral para a indución da remisión
A fibra: obxecto de debate, e non do xeito que a xente supón
Unha revisión sistemática e metaanálise examinou as dietas ricas en fibra na enfermidade de Crohn [2]. O panorama é máis favorable do que suxería o consello tradicional de baixo residuo — pero cunha excepción importante que se perde nos resumos.
Na enfermidade activa con estenose, a fibra insoluble e voluminosa pode precipitar unha obstrución. Iso é un problema mecánico, non inflamatorio, e por iso o consello xeral falla. Na enfermidade en remisión sen estenoses, aplícase a evidencia xeral sobre a fibra — consulta o noso sitio de evidencia sobre o eixe intestino-cerebro.
Todo o demais
| Enfoque | Evidencia | Veredicto |
|---|---|---|
| Nutrición enteral exclusiva | Forte, Crohn pediátrico | Tratamento xenuíno |
| Dieta de Exclusión da Enfermidade de Crohn | Evidencia aleatorizada crecente | Prometedor |
| Patrón mediterráneo | Saúde xeral, evidencia limitada específica para o IBD | Opción por defecto razoable |
| Baixo en FODMAP | Alivio de síntomas, non da inflamación [4] | Só sintomático |
| Dieta de Carbohidratos Específicos | Limitada, mixta | Non establecido |
| Sen glute sen ter doenza celíaca | Sen evidencia específica para o IBD | Non indicado |
| Eliminación baseada en probas de IgG | Sen validez | Evitar |
A fila do FODMAP merece énfase porque é a máis mal entendida. As dietas baixas en FODMAP poden reducir de forma significativa o inchazo e a dor no IBD — e non reducen a inflamación. Sentirse mellor mentres a inflamación continúa é un resultado xenuinamente perigoso, e por iso a xestión dietética guiada polos síntomas debe ir xunto ao control obxectivo, non substituílo.
Alimentos desencadeantes
Unha revisión sistemática sobre a intolerancia alimentaria e as dietas de exclusión no IBD atopa o que os pacientes xa saben: os desencadeantes son reais, individuais e inconsistentes entre persoas. Non existe unha lista validada. O único método fiable é o seguimento persoal sistemático — que é un problema de datos, non de coñecemento, e a razón pola que unha aplicación de escaneo que aprende o teu propio patrón é máis útil ca un folleto impreso.
Preguntas frecuentes
Podo tratar o meu IBD só coa dieta?
Debería evitar a fibra?
Axudan as análises de sangue de intolerancia alimentaria?
Paga a pena probar unha dieta baixa en FODMAP?
Referencias
Cada cita abaixo enlaza co rexistro orixinal revisado por pares en PubMed ou a través de DOI. Nada aquí substitúe o consello médico.
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Mediterranean diet in treatment of inflammatory bowel disease: A systematic review and meta-analysis Singh A, Rana U, Chandnani S, et al. · Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology · 2026 · Meta-analysis DOIPubMed 41803562
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Study Design Complexity and Participant Completion in Dietary Trials for Inflammatory Bowel Disease: A Systematic Review and Metaresearch Study Gregersen L, Moos C, Hikmat Z, et al. · Advances in nutrition (Bethesda, Md.) · 2026 · Systematic review DOIPubMed 41825595Full text
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Pre-Illness Index-Based Dietary Patterns and Inflammatory Bowel Disease Risk: A Systematic Review and Meta-Analysis Meng F, Zhang T, Meng X, et al. · Nutrition reviews · 2025 · Meta-analysis DOIPubMed 40700526
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Using Diet to Treat Inflammatory Bowel Disease: A Systematic Review Gleave A, Shah A, Tahir U, et al. · The American journal of gastroenterology · 2025 · Systematic review DOIPubMed 39056556
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Efficacy of a Low-FODMAP Diet on the Severity of Gastrointestinal Symptoms and Quality of Life in the Treatment of Gastrointestinal Disorders-A Systematic Review of Randomized Controlled Trials Kuźmin L, Kubiak K, Lange E · Nutrients · 2025 · Systematic review DOIPubMed 40573159Full text
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AGA Clinical Practice Update on Diet and Nutritional Therapies in Patients With Inflammatory Bowel Disease: Expert Review Hashash JG, Elkins J, Lewis JD, et al. · Gastroenterology · 2024 · Clinical guideline DOIPubMed 38276922
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Is There Evidence of Crohn's Disease Exclusion Diet (CDED) in Remission of Active Disease in Children and Adults? A Systematic Review Correia I, Oliveira PA, Antunes ML, et al. · Nutrients · 2024 · Systematic review DOIPubMed 38613020Full text
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Efficacy of different dietary therapy strategies in active pediatric Crohn's disease: a systematic review and network meta-analysis Ma J, Chong J, Qiu Z, et al. · PeerJ · 2024 · Meta-analysis DOIPubMed 39686992Full text
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High-Fiber Diet and Crohn's Disease: Systematic Review and Meta-Analysis Serrano Fernandez V, Seldas Palomino M, Laredo-Aguilera JA, et al. · Nutrients · 2023 · Meta-analysis DOIPubMed 37513532Full text
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Dietary Interventions in Ulcerative Colitis: A Systematic Review of the Evidence with Meta-Analysis Herrador-López M, Martín-Masot R, Navas-López VM · Nutrients · 2023 · Meta-analysis DOIPubMed 37836478Full text
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Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease Sinopoulou V, Gordon M, Akobeng AK, et al. · The Cochrane database of systematic reviews · 2021 · Systematic review DOIPubMed 34844288Full text
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Systematic Review of the Effects of Oat Intake on Gastrointestinal Health Valido E, Stoyanov J, Bertolo A, et al. · The Journal of nutrition · 2021 · Systematic review DOIPubMed 34486656
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Dietary interventions for induction and maintenance of remission in inflammatory bowel disease Limketkai BN, Iheozor-Ejiofor Z, Gjuladin-Hellon T, et al. · The Cochrane database of systematic reviews · 2019 · Meta-analysis DOIPubMed 30736095Full text
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Environmental Risk Factors for Inflammatory Bowel Diseases: An Umbrella Review of Meta-analyses Piovani D, Danese S, Peyrin-Biroulet L, et al. · Gastroenterology · 2019 · Meta-analysis DOIPubMed 31014995
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ESPEN guideline: Clinical nutrition in inflammatory bowel disease Forbes A, Escher J, Hébuterne X, et al. · Clinical nutrition (Edinburgh, Scotland) · 2017 · Systematic review DOIPubMed 28131521
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Nutrition in Pediatric Inflammatory Bowel Disease: From Etiology to Treatment. A Systematic Review Penagini F, Dilillo D, Borsani B, et al. · Nutrients · 2016 · Systematic review DOIPubMed 27258308Full text
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British Dietetic Association evidence-based guidelines for the dietary management of Crohn's disease in adults Lee J, Allen R, Ashley S, et al. · Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2014 · Clinical guideline DOIPubMed 24313460
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Effect of Five Dietary Emulsifiers on Inflammation, Permeability, and the Gut Microbiome: A Placebo-controlled Randomized Trial Wellens J, Vanderstappen J, Hoekx S, et al. · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2026 · Randomised controlled trial DOIPubMed 40816342
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A Randomised Controlled Trial Comparing the Effects of Personalised Diet and Physical Activity Intervention Versus Usual Care on Cardiometabolic Risk Factors in Adults with Inactive Inflammatory Bowel Disease Yap JM, Wall CL, Meredith-Jones K, et al. · Nutrients · 2026 · Randomised controlled trial DOIPubMed 41829955Full text
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Evidence for a Modulatory Effect of a 12-Week Pomegranate Juice Intervention on the Transcriptional Response in Inflammatory Bowel Disease Patients Reducing Fecal Calprotectin Levels: Findings From a Proof-of-Principle Study Minato I, Mena P, Ricciardiello L, et al. · Molecular nutrition & food research · 2025 · Randomised controlled trial DOIPubMed 40255128Full text
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Effects of bromelain supplementation on disease activity and quality of life in patients with ulcerative colitis: a randomized, triple-blind, placebo-controlled study Delgarm P, Mokhtare M, Ebrahimi Daryani N, et al. · Scientific reports · 2025 · Randomised controlled trial DOIPubMed 41315628Full text
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Whole Food Diet Induces Remission in Children and Young Adults With Mild to Moderate Crohn's Disease and Is More Tolerable Than Exclusive Enteral Nutrition: A Randomized Controlled Trial Aharoni-Frutkoff Y, Plotkin L, Pollak D, et al. · Gastroenterology · 2025 · Randomised controlled trial DOIPubMed 40553742
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The use of the Crohn's disease exclusion diet (CDED) in adults with Crohn's disease: A randomized controlled trial Pasta A, Formisano E, Calabrese F, et al. · European journal of clinical investigation · 2025 · Randomised controlled trial DOIPubMed 39853756
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The Crohn's disease exclusion diet for induction and maintenance of remission in adults with mild-to-moderate Crohn's disease (CDED-AD): an open-label, pilot, randomised trial Yanai H, Levine A, Hirsch A, et al. · The lancet. Gastroenterology & hepatology · 2022 · Randomised controlled trial DOIPubMed 34739863
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Metabolome Changes With Diet-Induced Remission in Pediatric Crohn's Disease Ghiboub M, Penny S, Verburgt CM, et al. · Gastroenterology · 2022 · Randomised controlled trial DOIPubMed 35679949
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Effects of Low FODMAP Diet on Symptoms, Fecal Microbiome, and Markers of Inflammation in Patients With Quiescent Inflammatory Bowel Disease in a Randomized Trial Cox SR, Lindsay JO, Fromentin S, et al. · Gastroenterology · 2020 · Randomised controlled trial DOIPubMed 31586453
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Treatment of Active Crohn's Disease With an Ordinary Food-based Diet That Replicates Exclusive Enteral Nutrition Svolos V, Hansen R, Nichols B, et al. · Gastroenterology · 2019 · Randomised controlled trial DOIPubMed 30550821
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Crohn's Disease Exclusion Diet Plus Partial Enteral Nutrition Induces Sustained Remission in a Randomized Controlled Trial Levine A, Wine E, Assa A, et al. · Gastroenterology · 2019 · Randomised controlled trial DOIPubMed 31170412
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Treatment of Crohn's Disease with an IgG4-Guided Exclusion Diet: A Randomized Controlled Trial Gunasekeera V, Mendall MA, Chan D, et al. · Digestive diseases and sciences · 2016 · Randomised controlled trial DOIPubMed 26809868
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Nutrition support in inflammatory bowel disease Lewis JD, Fisher RL · The Medical clinics of North America · 1994 · Randomised controlled trial DOIPubMed 7967919
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Chronic, Noninfectious Diarrhea: A Review Singh P, Lee A, Sheth NM, et al. · JAMA · 2026 · Review DOIPubMed 41770539
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Diet, Gut Microbiome, and Microbial Metabolites in Inflammatory Bowel Disease: From Functional Dysbiosis to Precision Nutrition Bozic J, Santic R, Zivkovic PM, et al. · International journal of molecular sciences · 2026 · Review DOIPubMed 42352981Full text
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Dietary therapies for adult and pediatric inflammatory bowel disease Deas J, Shah ND, Konijeti GG, et al. · Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition · 2024 · Review DOIPubMed 38505875
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Considerations in Paediatric and Adolescent Inflammatory Bowel Disease Vuijk SA, Camman AE, de Ridder L · Journal of Crohn's & colitis · 2024 · Review DOIPubMed 39475081Full text
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Mild Crohn's Disease: Definition and Management Claytor J, Kumar P, Ananthakrishnan AN, et al. · Current gastroenterology reports · 2023 · Review DOIPubMed 36753033
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Examining dietary interventions in Crohn's disease Chen L, Srinivasan A, Vasudevan A · World journal of gastroenterology · 2024 · Journal article DOIPubMed 39350785Full text