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 Receptor Agonists and Gut Health: The Complete Guide (2026-10-14) — Ozempic, Mounjaro, Wegovy, Zepbound — how GLP-1 drugs affect the gut, why they cause SIBO, bloating, and constipation, and what to do about each side effect.
• Constipation and the Vagus Nerve: The Missing Link (2026-10-14) — Why chronic constipation keeps re-triggering vasovagal episodes — and how to break the cycle by working with the vagus nerve, not against it.
• Defecation Straining: How to Prevent Dizziness and Fainting (2026-10-14) — Positioning, breathing technique, and the hydration-and-fiber protocol that stops the straining that triggers vasovagal episodes on the toilet.
• 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.
• 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.
• 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.
• How to Test for Histamine Intolerance at Home (2026-10-14) — The elimination + challenge protocol for histamine intolerance, plus what labs to ask for, how to interpret them, and when to push for a clinician's workup.
• Vasovagal Syncope and the Gut: The Complete Guide (2026-10-14) — Fainting or near-fainting tied to bowel movements, eating, or abdominal pressure usually has one root cause — vagal overreaction. Here's the full mechanism, diagnosis, and what actually works.
• Best Probiotic Strains to Take During and After Antibiotics (2026-10-14) — The strain-by-strain guide to taking probiotics with a course of antibiotics — which strains to take, when, and for how long after.