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Dietetics
Special Issues
Personalized Nutrition and Dietary Interventions in Inflammatory Bowel Disease (IBD)
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Personalized Nutrition and Dietary Interventions in Inflammatory Bowel Disease (IBD)

A special issue of Dietetics (ISSN 2674-0311).

Deadline for manuscript submissions: 15 December 2026 | Viewed by 9772

Editor

Prof. Dr. Bahram H. Arjmandi

E-Mail Website
Guest Editor
1. Center for Advancing Exercise and Nutrition Research on Aging, Florida State University, Tallahassee, FL 32304, USA
2. Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32304, USA
Interests: functional foods; dietary supplements (e.g., vitamins, minerals, plant bioactive compounds); chronic diseases (osteoporosis, osteoarthritis, cardiovascular disease, diabetes and cancer)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Inflammatory Bowel Disease (IBD), encompassing Crohn's disease and Ulcerative Colitis, involves chronic inflammation of the gastrointestinal tract, significantly impacting nutritional status and quality of life. Diet plays a crucial role in both triggering symptoms and managing the disease. Malnutrition, including protein/energy deficits, weight loss, and specific micronutrient deficiencies (e.g., iron, B12, vitamin D, and zinc), is prevalent due to reduced intake, malabsorption, increased requirements, and drug–nutrient interactions. Nutritional assessment is therefore fundamental in IBD care. Dietary interventions are key components of management, ranging from exclusive enteral nutrition (EEN) for inducing remission, particularly in pediatric Crohn's disease, to modified food-based diets aimed at symptom control and potentially maintaining remission. Strategies like low-FODMAP diets, specific carbohydrate diets, and adjustments in fiber and fat intake require careful consideration and individualization. Registered Dietitians are essential members of the multidisciplinary team, providing personalized medical nutrition therapy, guiding patients through complex dietary modifications, addressing nutritional adequacy, and supporting long-term dietary adherence. Further research is needed, but optimizing nutritional care remains paramount for improving clinical outcomes, managing symptoms, and enhancing the overall well-being of individuals living with IBD.

Prof. Dr. Bahram H. Arjmandi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Dietetics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • inflammatory bowel disease (IBD)
  • Crohn’s disease
  • ulcerative colitis
  • personalized nutrition
  • dietary interventions
  • medical nutrition therapy
  • nutritional assessment
  • malnutrition in IBD
  • micronutrient deficiencies
  • exclusive enteral nutrition (EEN)

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Published Papers (3 papers)

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Research

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17 pages, 401 KB  
Article
Malnutrition Risk, Nutrition Insecurity, Barriers, and Facilitators to Dietary Management Among Adults with Inflammatory Bowel Disease in the US Rocky Mountain Region: A Cross-Sectional Mixed-Methods Study
by Heather Burr, Carrie Durward, Korry Hintze and Getrude Mphwanthe
Dietetics 2026, 5(3), 47; https://doi.org/10.3390/dietetics5030047 - 11 Aug 2026
Viewed by 199
Abstract
We conducted an online cross-sectional study to assess malnutrition risk, food and nutrition insecurity, and perceived barriers and facilitators to dietary management among adults (18–64 years old) with a self-reported clinical diagnosis of inflammatory bowel disease (IBD) in outpatient and community settings. We [...] Read more.
We conducted an online cross-sectional study to assess malnutrition risk, food and nutrition insecurity, and perceived barriers and facilitators to dietary management among adults (18–64 years old) with a self-reported clinical diagnosis of inflammatory bowel disease (IBD) in outpatient and community settings. We assessed malnutrition risk using the Saskatchewan IBD-Nutrition Risk screening tool, food security risk using the two-item Hunger Vital Signs questionnaire, and nutrition security risk using a validated four-item tool. Open-ended questions elucidated barriers and facilitators to dietary management of IBD. Among 57 participants who self-reported a clinical diagnosis of IBD, 52.6% (n = 30/57) had ulcerative colitis, and 47.4% (n = 27/57) had Crohn’s disease. Nutrition insecurity was higher among those at high risk of malnutrition than among those at low-to-medium risk (p = 0.018), and there were no differences in food security status (p = 0.081). Using univariate logistic regression, the odds of being classified as having a high risk of malnutrition were associated with being male, following a special diet or nutrition plan, experiencing IBD-related flare-ups, and nutrition insecurity. Furthermore, healthcare professionals and social support, as well as digital resources/nutrition-related apps, were identified as facilitators to dietary management, while barriers included food access and expense, limited nutrition knowledge and resources, and fear of IBD-related symptom flare-ups. Although self-reported malnutrition risk and food and nutrition insecurity are common, larger prospective studies incorporating validated disease-activity measures and comprehensive nutritional assessment are needed to clarify these relationships and evaluate integrated dietetic and social-support interventions. Full article
(This article belongs to the Special Issue Personalized Nutrition and Dietary Interventions in Inflammatory Bowel Disease (IBD))
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Review

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11 pages, 226 KB  
Review
Factors and Mechanisms Underlying Individual Differences in Intestinal Susceptibility to Dietary Emulsifiers: A Review
by Gabriela Riebeek and Anje A. te Velde
Dietetics 2026, 5(2), 35; https://doi.org/10.3390/dietetics5020035 - 10 Jun 2026
Viewed by 509
Abstract
Dietary emulsifiers, common in processed and ultra-processed foods, improve food texture and shelf life but may affect gut health by interacting with the microbiota and intestinal barrier. While emulsifiers have long been considered safe, growing evidence links their presence in ultra-processed foods to [...] Read more.
Dietary emulsifiers, common in processed and ultra-processed foods, improve food texture and shelf life but may affect gut health by interacting with the microbiota and intestinal barrier. While emulsifiers have long been considered safe, growing evidence links their presence in ultra-processed foods to chronic disease risk. This review aims to evaluate the current understanding of the factors and mechanisms underlying individual differences in intestinal mucosal susceptibility to dietary emulsifiers. A search of PubMed and Embase through February 2026 identified eight relevant studies. Overall, the available evidence indicates a heterogeneous and highly individualized host response to dietary emulsifiers. These differences appear to be strongly influenced by the gut microbiota and its functional properties, while animal studies further suggest that host factors such as sex-related differences in microbial composition may also contribute to variability in response. Importantly, not all emulsifiers have the same effects, underscoring compound-specific impacts on gut physiology. The findings demonstrate that sensitivity to dietary emulsifiers varies substantially between individuals, challenging the long-standing assumption that these additives are universally safe. Given the multifactorial nature of this susceptibility, particularly the role of the gut microbiota, future research should adopt an integrative approach that combines microbial profiling with host genetics, immune responses, and early-life exposures. Such efforts will be essential to identify at-risk individuals and to inform more personalized dietary recommendations aimed at preserving intestinal health and reducing disease risk. Importantly, there is a clear need for larger, well-powered studies that can validate and expand upon these initial observations. Full article
(This article belongs to the Special Issue Personalized Nutrition and Dietary Interventions in Inflammatory Bowel Disease (IBD))
12 pages, 250 KB  
Review
Dietary and Medical Management of Small-Intestinal Bacterial Overgrowth: A Narrative Review
by Daniel J. Griffith, Stephen Ardouin, Laura Cramp and Sheldon C. Cooper
Dietetics 2026, 5(1), 10; https://doi.org/10.3390/dietetics5010010 - 6 Feb 2026
Cited by 1 | Viewed by 7660
Abstract
Small-intestinal bacterial overgrowth (SIBO) is defined by an excessive microbial presence in the small intestine and is associated with a range of gastrointestinal symptoms. Its management remains complex due to diagnostic limitations and high recurrence rates following treatment. A narrative review was conducted [...] Read more.
Small-intestinal bacterial overgrowth (SIBO) is defined by an excessive microbial presence in the small intestine and is associated with a range of gastrointestinal symptoms. Its management remains complex due to diagnostic limitations and high recurrence rates following treatment. A narrative review was conducted using MEDLINE (PubMed) and Cochrane databases to identify relevant studies published between 1984 and 2024. Search terms included small intestinal bacterial overgrowth SIBO, FODMAP, probiotics, prebiotics, synbiotics, and low-carbohydrate diets. Reference lists were also screened for additional studies. Antibiotics, particularly rifaximin, are commonly used for SIBO treatment but recurrence is frequent. Dietary strategies, such as low-FODMAP and low-carbohydrate diets, may help reduce symptoms, especially in patients with complications like D-lactic acidosis. Evidence for biotic agents (probiotics, prebiotics, synbiotics) is mixed, with limited high-quality studies and inconsistent outcomes. Some probiotic strains show symptom improvement, but effects on breath-test results are variable. A tailored, multidisciplinary approach combining dietary and medical therapies may offer optimal symptom control in SIBO. However, heterogeneity in study designs and limited evidence highlight the need for further research to inform standardised, evidence-based clinical practice. Full article
(This article belongs to the Special Issue Personalized Nutrition and Dietary Interventions in Inflammatory Bowel Disease (IBD))
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