GUT HEALTH LIBRARY

Know your gut.
Then start tracking it.

A short, cited overview of common gut issues — from everyday symptoms you can reflect on today, to conditions that need a clinician to diagnose. Nothing here is a substitute for medical advice.

START WITH A 2-MINUTE CHECK-IN

These, you can reflect on yourself.

BloatingNotice when fullness or pressure appears and what surrounds it.2 min ConstipationBuild a clearer view of rhythm, difficulty, routine, and context.2 min Energy & foodExplore how energy windows line up with meals and the rest of your day.2 min Food responseMove from isolated food guesses to repeatable meal-context notes.2 min

CONDITIONS WORTH UNDERSTANDING

These need a clinician, not a check-in.

These four are diagnosed through clinical evaluation and testing. We summarize the general picture here so you know what to ask a doctor about — AGNI does not screen or diagnose any of them.

COMMON WORLDWIDE · ESTIMATES VARY

Irritable Bowel Syndrome (IBS)

A disorder of gut-brain interaction involving repeated abdominal pain alongside changes in bowel habits — diarrhea, constipation, or both — without visible damage to the digestive tract on standard tests.

Diagnosed by a clinician using symptom criteria and exclusion testing, not by a wearable or an app.

NIDDK overview

US ESTIMATE · 2.4–3.1M ADULTS

Inflammatory Bowel Disease (Crohn's & Ulcerative Colitis)

A group of lifelong, autoimmune-related conditions causing chronic inflammation of the digestive tract. Crohn's disease can affect any part of the gut; ulcerative colitis is limited to the colon and rectum.

Requires clinical diagnosis via endoscopy, imaging, and lab testing. Always see a doctor for persistent or severe symptoms.

CDC overview

COMMON WORLDWIDE · ESTIMATES VARY

Gastroesophageal Reflux Disease (GERD)

A long-lasting, more severe form of acid reflux, where stomach contents repeatedly move back into the esophagus — commonly causing heartburn and regurgitation.

A doctor typically diagnoses GERD from your symptoms and history, sometimes with additional testing.

NIDDK overview

COMMON SYMPTOM · BLOATING

Small Intestinal Bacterial Overgrowth (SIBO)

An excess of bacteria in the small intestine, where far fewer normally live, which can affect nutrient absorption and cause bloating, gas, and diarrhea.

Often evaluated with breath testing or, less commonly, small-intestinal fluid testing; symptoms overlap heavily with IBS, so self-diagnosis is unreliable.

Mayo Clinic overview

Not a diagnostic tool. This page and the AGNI check-ins provide general wellness information only. They cannot diagnose IBS, IBD, GERD, SIBO, or any other condition. If symptoms are persistent, severe, or worsening, please see a qualified clinician.

EARLY ACCESS

See the research behind these check-ins.

The evidence library covers what's known, what isn't, and what AGNI still has to prove.

Know your gut.Then start tracking it.