Improve Gut Health

Evidence-based gut health articles, resources, and practical protocols.

Latest articles

• The Improving Gut Health Editorial Team (2026-10-19) — Meet the editorial byline behind improveguthealth.org — a pen name for a process, not a single person. How articles are researched, written, and reviewed.
• GLP-1 and SIBO: The Mechanism Explained (2026-10-14) — Why slowed motility from GLP-1 drugs creates the conditions for small intestinal bacterial overgrowth — and who is most at risk.
• Foods That Feed Recovered Gut Flora: A Meal Plan (2026-10-14) — The 30-plant-foods-per-week protocol plus daily fermented foods, with a 7-day sample menu for the gut-recovery phase.
• SIBO and Histamine Intolerance: The Overlap (2026-10-14) — Why SIBO patients develop histamine intolerance, how the two interact, what each test actually shows, and what to treat first.
• Rebuilding Gut Flora After Antibiotics: The Complete Guide (2026-10-14) — What antibiotics actually do to the microbiome, the week-by-week recovery timeline, and the exact probiotic, prebiotic, and dietary protocol that helps at each stage.
• Vagus Nerve Exercises for Bowel Regularity (2026-10-14) — Practical breath work, cold exposure, and lifestyle protocols that raise vagal tone and improve motility — with a daily routine for the first month.
• Sugar Alcohols and FODMAPs: The Complete Guide (2026-10-14) — Why sugar alcohols cause bloating, which ones are worst, and how to choose low-FODMAP sweeteners that don't wreck a sensitive gut.
• Managing GLP-1 Bloating and GI Side Effects (2026-10-14) — The meal-timing, hydration, supplement, and lifestyle protocol that resolves bloating, nausea, and constipation in most GLP-1 users.
• Antibiotic Resistance and Microbiome Diversity (2026-10-14) — What repeated antibiotic courses do to your gut microbiome long-term, how antibiotic resistance spreads through the gut, and how to preserve diversity.
• Erythritol vs Xylitol: Gut Tolerance Compared (2026-10-14) — Both are low-calorie sweeteners, but erythritol is far better tolerated by sensitive guts. Here's the head-to-head, plus what to try if erythritol bothers you.