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Gut health is how well your digestive system breaks down food, absorbs nutrients, and removes waste while keeping your gut microbiome (the trillions of microbes living in your intestines) in balance. It shapes more than digestion: your immunity, metabolism, and even mood are tied to it.

Start with the fundamentals in Gut Health Basics, then explore the areas that affect how your gut feels day to day: Bloating, Constipation, Bowel Movements & Regularity, Diet & Nutrition, and Tracking & Tools.

The clearest signs are regular, comfortable bowel movements, anywhere from three times a day to three times a week. Your stool should also be well-formed that's easy to pass and little ongoing bloating or pain. There's no perfect number here. Consistency matters more than frequency, and what's "normal" can vary from individual to individual.

Learn what to look for in our Bowel Movements & Regularity guides, including how often you should poop, normal bowel movement frequency, and the signs of slow digestion.

The usual suspects are bloating and gas, constipation, diarrhea, heartburn (reflux affects roughly 1 in 5 adults), and IBS.

Logging what you eat and how you feel with our Tracking & Tools is often the fastest way to find your triggers.

For most people, food takes about 24 to 72 hours to travel from plate to toilet: roughly 2–4 hours in the stomach, 4–6 in the small intestine, and 12–48 in the colon. Fiber, hydration, movement, and stress all shift the pace.

See the full breakdown in gut microbiome transit time and in our Bowel Movements & Regularity guides.

Occasional gas or a few off days are normal. See a healthcare professional for red flags: blood in your stool, unexplained weight loss, severe pain, or any change in bowel habits that lasts more than about two weeks.

Our guide on how to spot gut health red flags covers when to seek help, and you can read more on persistent diarrhea and what to do if you haven't pooped in 3 days.