Free Gut Health Calculators & Tools
Take control of your digestion using these science-backed, interactive tools. Created by Daryl Stubbs (C.H.N.C) to help you measure inflammation, evaluate microbiome diversity, and identify food triggers.
The Gut Inflammation Assessment Quiz
Our comprehensive, clinical-grade self-assessment that maps the connection between your gut, joints, metabolism, and chronic inflammation. Answer 13 questions to calculate your custom inflammation score and unlock a personalized 90-day protocol.
30 Plant Points Tracker
Track your weekly plant intake targeting the scientific goal of 30+ unique plant varieties for optimal microbiome diversity. Features gamified progress and personalized recommendations.
Dietary Inflammatory Index Calculator
Find out if your daily diet is cooling inflammation or fueling it. Audit your intake of key pro-inflammatory vs. anti-inflammatory foods and get a custom clinical DII score.
Gut Transit Time Calculator (Blue Poop Test)
Calculate your digestive motility time in hours using this simple, at-home experiment. Learn what your transit speed indicates about your metabolic health.
Bristol Stool Chart Auditor
Diagnose your stool type using the clinical Bristol Stool Scale combined with frequency and secondary symptom analysis to check for dehydration, dysbiosis, or inflammation.
Bloating Root Cause Quiz
Find out if your abdominal expansion is caused by gas fermentation, food intolerances, SIBO, or subcutaneous fat (weight gain). Features an interactive diagnostic dial.
GERD & Acid Reflux Quiz
Determine if your burning chest or throat irritation represents gastroesophageal reflux (GERD), silent reflux (LPR), or stomach acid depletion.
Candida & Yeast Overgrowth Quiz
Evaluate if symptoms like bloating, sugar cravings, skin issues, or persistent brain fog point to systemic yeast or fungal overgrowth.
Histamine Intolerance Quiz
Assess if flushing, congestion, headaches, or itching after eating high-amine foods represent a Diamine Oxidase (DAO) enzyme depletion.
Baking Soda Stomach Acid Test
Perform the at-home baking soda burp test step-by-step. Use our stopwatch and calculator to evaluate low stomach acid (hypochlorhydria).
Apple Cider Vinegar Stomach Acid Test
Evaluate your protein digestion and stomach acid levels using the at-home apple cider vinegar challenge during meals.
These calculators are designed for educational and self-assessment purposes. They do not constitute professional medical advice, diagnosis, or treatment. Always consult with a qualified health professional regarding any digestive concern.