Dietary Fiber News and Research

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Plant-based diets offer heart benefits but may require supplements

A study reveals unsupplemented vegan diets in Northeast China lead to micronutrient deficiencies, despite benefits for body composition and cholesterol levels.

2 Jul 2026

Altering gut microbes could improve immunotherapy responses in liver cancer

Immune checkpoint blockade (ICB) has reshaped the treatment landscape for advanced hepatocellular carcinoma (HCC), offering new hope where few options existed.

30 Jun 2026

Fiber blend relieves constipation and improves stool consistency

A recent study found that a combination of dietary fibers effectively alleviated chronic constipation, enhancing bowel function and stool quality in adults.

30 Jun 2026

Childhood sugary drinks and fruit juice linked to higher adult blood pressure risk

The study finds sugary drinks and fruit juice linked to hypertension, highlighting whole fruit as a healthier alternative for long-term heart health.

26 Jun 2026

Scientists find link between bacterium in the gut ecosystem and lupus

Scientists at UT Health San Antonio, the academic health center of The University of Texas at San Antonio, found a link between a bacterium in the gut microbiome, or ecosystem, and lupus, which could lead to more effective treatment of the disease, in a study published in Nature Communications.

25 Jun 2026

Scientists find a universal gut microbiome pattern linked to colorectal cancer

Researchers analyzed 6,779 stool microbiome profiles and 906 tissue samples to identify a colorectal cancer microbial signature that remained consistent across age groups, populations, and sequencing methods. The signature aligned with tumor-resident microbes, showed weaker detection for adenomas, and was inversely associated with dietary fiber intake.

25 Jun 2026

Eating 90 g of wholegrains daily linked to lower breast cancer risk

Research indicates that long-term wholegrain intake per Nordic guidelines is associated with reduced breast cancer risk, emphasizing food type differences.

24 Jun 2026

Prebiotic fiber supplement reduces harmful gut metabolites and improves liver health

A study conducted at the University of Jyväskylä, Finland, was the first to investigate the effects of prebiotic xylo-oligosaccharides (XOS) on fatty liver in humans.

16 Jun 2026

Short-chain oat fiber helps steady glucose and ease gut symptoms in pilot trial

A 14-day open-label pilot study in 63 healthy adults found that short-chain oat fiber was well tolerated at doses up to 20 g/day and was associated with improved gastrointestinal symptom scores.

14 Jun 2026

Plant-based quinoa burgers reduce post-meal blood sugar spikes

A study reveals that plant-based burgers with baru pulp and red quinoa trigger lower blood sugar spikes than glucose, highlighting their potential in nutrition.

10 Jun 2026

Gut microbes may reveal who is at risk of type 2 diabetes years before diagnosis

A large Swedish prospective cohort study found that specific gut microbial species and metabolic pathways measured years before diagnosis were associated with future type 2 diabetes risk. The findings suggest that gut microbiome composition and functional potential may help explain T2D development, but replication is needed before clinical use.

28 May 2026

Adding herbs and spices makes people choose more vegetables

Enhancing vegetable flavor with spices and offering larger servings can significantly improve vegetable intake in cafeterias, promoting healthier choices.

28 May 2026

Nutrition education improves diet quality in university students

Nutrition education at universities shows promise in improving dietary habits and mental well-being, highlighting the importance of healthy eating for students.

19 May 2026

Sports coaches can improve health for athletes with disabilities

Research highlights the role of sports coaches in enhancing health for athletes with disabilities, focusing on collaboration and effective health promotion.

13 May 2026

Selective eating in autism linked to inflammatory gut bacteria

Eating habits shape gut bacteria in children with autism, with potential dietary interventions offering hope for improving gut health and inflammation.

13 May 2026

AGA update emphasizes lifestyle changes for effective hemorrhoid management

The American Gastroenterological Association (AGA) has released a new clinical practice update providing expert guidance on the diagnosis and treatment of hemorrhoids, a common condition affecting approximately 50% of people by age 50.

29 Apr 2026

Study shows why an apple a day may work differently for different people

A 12-week single-blind trial in 38 Japanese adults found that daily Fuji apple intake did not significantly change overall host metabolic markers, but responses differed by baseline gut enterotype. Participants in the Bacteroidaceae-dominant enterotype showed significant increases in fecal short-chain fatty acids after apple consumption, suggesting that gut microbiota structure may shape functional dietary responses.

13 Apr 2026

Gut microbiota regulates intestinal epithelial cell function and plasticity

A research team led by scientists from the State University of Campinas (UNICAMP) in São Paulo, Brazil, has made significant progress in understanding the relationship between gut microbiota and intestinal cells.

7 Apr 2026

Prickly pear may pack a surprising punch against metabolic syndrome

This narrative review examines how Opuntia ficus-indica fruit, or prickly pear, may help target multiple features of metabolic syndrome through its fiber, betalains, polyphenols, carotenoids, and other bioactive compounds. The authors conclude that the fruit shows promising mechanistic and preclinical potential, but stronger human trials are still needed before firm clinical claims can be made.

6 Apr 2026

Celiac disease weakens gut microbes that digest fiber

Findings suggest that impaired fiber metabolism in celiac disease is due to microbial deficits, not just diet, emphasizing the need for targeted interventions.

2 Apr 2026