Clinical protocols and guides

How to manage chronic digestive symptoms

Standardized, evidence-based instructions for identifying delayed food triggers, tracking stool motility, and working productively with your gastroenterologist.

AI & Analytics5 min read

How to use AI models to analyze gut symptoms and find patterns

How to structure digestive data into clinical prompts for ChatGPT and Claude to uncover motility patterns without exposing private health information.

Direct answer

Generative AI models like ChatGPT and Claude can parse complex health journals to spot patterns and suggest clinical talking points. However, pasting messy narrative notes results in generic advice or hallucinated diagnoses. Feeding the model structured clinical distributions (Bristol percentages, daily urgency averages, tenesmus rates, and lagged trigger counts) while keeping personal identifiers private produces actionable discussion questions for your gastroenterologist.

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Stool & Motility5 min read

How to track the Bristol Stool Chart for gut transit speed and motility

A clinical guide to classifying stool form, stool color, urgency, and evacuation completeness to diagnose colonic transit disorders.

Direct answer

The Bristol Stool Chart classifies bowel movements into 7 distinct types based on colon transit duration. Types 1 and 2 indicate slow transit and dehydration. Types 3 and 4 reflect healthy transit speed. Types 5, 6, and 7 indicate rapid transit and inadequate water absorption. Evaluating stool form alongside urgency, volume, and evacuation completeness shows whether your symptoms are caused by colonic dysmotility, visceral hypersensitivity, or pelvic floor dysfunction.

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Diets & Protocols6 min read

How to run a 3-phase elimination diet protocol without losing track

A structured guide to the baseline, elimination, and reintroduction phases of a low-FODMAP diet to isolate food intolerances.

Direct answer

An elimination diet is a medical diagnostic protocol, not a permanent eating plan. It consists of three strict phases: a 7-day baseline observation period on your normal diet, a 14-day elimination phase to reduce gut inflammation, and a structured challenge phase testing one food subgroup every 3 days. Testing foods without baseline tracking makes it impossible to isolate true triggers from baseline symptom noise.

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Doctor Prep5 min read

How to prepare a clinical bowel symptom log for your gastroenterologist

How to format your stool habits, pain trends, and red flags into a clinical report that doctors can review in under two minutes.

Direct answer

Gastroenterologists have roughly 15 minutes per appointment. They cannot read raw diary entries or browse photos on your phone. They need four specific metrics: your Bristol stool distribution percentages, your weekly pain and urgency averages, your dietary correlations, and any clinical red flags like rectal bleeding, tarry stools, or nocturnal bowel movements.

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Food Triggers5 min read

How to identify delayed IBS food triggers

A step-by-step clinical protocol for isolating delayed food triggers using multi-hour lag windows and Poisson baseline lift calculations.

Direct answer

Digestive reactions rarely happen immediately. Food travels through the stomach and small intestine before reaching the colon, producing symptoms 2 to 36 hours later. Finding your true triggers requires logging meals with time offsets, testing multi-hour correlation windows, and calculating symptom rates against your baseline instead of blaming the last meal you ate.

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Automate your symptom tracking in 30 seconds a day

GutLog 1.5.6 calculates multi-hour trigger lag windows, plots Bristol stool distributions, and formats doctor-ready PDF reports on your iPhone without storing your health data on cloud servers.