Mar 29, 2026Nutrition

Maternal Gut Microbiome: What Diet Can—and Can’t—Do

Maternal diet can shift gut microbes during pregnancy, but evidence that microbiome-focused eating prevents gestational diabetes remains thin.

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Mar 28, 2026Nutrition

Fiber and Biological Age: A Survival Signal Worth Testing

Can dietary fiber matter more when biological age runs fast? Mortality data point to a provocative interaction, while whole-food evidence supports fixing low intake.

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Mar 27, 2026Nutrition

Why the Same Fiber Supplement Works Differently for Everyone

Your gut microbes may determine whether a fiber supplement affects satiety or metabolism. Here's what arabinoxylan research can and cannot prove.

gut microbiomedietary fiberarabinoxylanpolysaccharide utilization loci

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Mar 27, 2026Cardiovascular Health

Butyrate and Transplant Hearts: A Promising Cell Study

Butyrate improved mitochondrial measures in ischemic human heart cells, but this transplant-preservation study does not support supplements yet.

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Mar 26, 2026Nutrition

Psyllium for Weight Loss: Useful Fiber, Modest Evidence

Can psyllium husk support weight loss? Six small randomized trials suggest modest benefits, but the evidence does not establish glucose or LDL effects.

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Mar 23, 2026Nutrition

Fiber Lowers Two Uremic Toxins in CKD—But Outcomes Unknown

A 21-trial review found fiber lowered indoxyl sulfate and p-cresyl sulfate in CKD, while a small resveratrol trial found no effect.

dietary fiberkidney diseasegut microbiomeuremic toxins

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Mar 23, 2026Nutrition

Whole Grains Raise Butyrate, but Low-Carb Eased GI Symptoms

A 12-month RCT found whole grains raised butyrate versus refined carbs, yet low-carb improved reflux symptoms while lowering fecal SCFAs.

carbohydrate qualityshort-chain fatty acidsbutyrategut microbiome

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Mar 22, 2026Nutrition

Crohn's Diet Paradox: Opposite Plans Can Induce Remission

Crohn's diets can eliminate fiber or emphasize whole foods, yet both may induce remission. What trials reveal about EEN, CDED, symptoms, and limits today.

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Mar 22, 2026Gut Health

Probiotics for Elderly Constipation: What the Trials Show

Do probiotics help elderly constipation? Review B. lactis trials, FMT rankings, PEG evidence, doses, safety gaps, and practical limits.

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Mar 18, 2026Nutrition

Can Pregnancy Diet Coaching Improve Postpartum Eating?

A randomized trial found better diet quality and fiber intake 12 weeks postpartum after pregnancy coaching. The evidence is promising, but narrow.

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