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Digestive Health Center

Detox and digestive health, explained in plain language.

68 practical guides, led by a new 25-guide detox series on what your body already does every day and how to judge detox products and routines without extremes. Fiber, cooking, hydration, labels and everyday habits are here too, written to help you make informed choices and prepare useful questions for your health care professional.

Common questions What does detox support mean? Do I need to fast or cleanse? How do I read a detox label? Why does fiber cause gas? What if fiber is not helping?
Your body's detox team
  • LiverNearly 25% of the blood the heart pumpsChanges compounds so they dissolve in water, and makes bile
  • KidneysAbout 150 quarts filtered a dayFilter blood, send wastes and extra water out as urine, and balance salts and minerals
  • GutAbout 600 milliliters of bile a dayCarries bile and waste out of the body, and acts as a barrier
  • Lungs12 to 20 breaths a minute at restBreathe out carbon dioxide and other gases
  • Lymphatic systemNo central pump, relies partly on movementReturns extra fluid to the blood and carries immune cells

Skin plays a small role: sweat mostly cools you, so it is a minor exit route.

From the guide How your body's natural detoxification processes work every day

68

plain-language guides

10

topics, from detox to routines

25

guides in the new detox series (Oct. 2026)

Sources

listed at the end of every guide

Thinking about a detox? Read these five first.

All 25 detox guides

A reading order for anyone weighing a cleanse, a detox tea or a supplement. It starts with the work your body already does, then shows how to judge products and routines.

  1. How detox works in your bodyHow your body's natural detoxification processes work every dayWhat your liver, kidneys, gut, lungs and lymph do around the clock, and what they run on.Read the guide
  2. How detox works in your bodyWhat does 'detox support' actually mean?What "support" means under U.S. supplement law, and how to read a detox claim with confidence.Read the guide
  3. Choosing a detox approach with careHow to build a wellness routine without fasting or extreme cleansesThe everyday building blocks, what habit research says, and a simple plan for your first week.Read the guide
  4. Choosing a detox approach with careHow to choose a detox supplement without falling for detox hypeMarketing red flags worth skipping, the label parts worth reading, and questions for your pharmacist.Read the guide
  5. Choosing a detox approach with careHow to read a detox supplement label before you buyA part-by-part walk through a supplement label, from the Supplement Facts panel to the lot number.Read the guide

Ten topics, one calm place to look things up.

See the full list

Thinking about detox

4 topics, 25 guides

New, October 2026

How detox works in your bodyWhat your liver, kidneys, gut, lungs and lymph already do, what detox support means, antioxidants and your gut overnight.5 guides Choosing a detox approach with careRoutines without fasting or cleanses, spotting hype, reading a detox label, capsules vs. tea vs. juice, and daily support vs. a 7 day reset.5 guides Daily routines without extremesFiber, fluid and movement, water with psyllium, resets after travel and holidays, and simple morning, daytime and evening routines.8 guides Detox formula ingredients, one by oneA field guide to botanicals, then psyllium, milk thistle, turmeric, ginger, dandelion, green tea extract and acai, one at a time.7 guides

Food and fiber

2 topics, 28 guides

Food first: the kitchenBreakfasts ranked by fiber, beans, soups, snacks, lentils and cooking for one or two.16 guides Fiber, from first principlesYour daily number, soluble and insoluble fiber, gas, resistant starch and label phrases.12 guides

How your body works

2 topics, 4 guides

How the body actually handles what comes inDigestion hour by hour, and the first thirty minutes: chewing, stomach acid and enzymes.2 guides Water, hydration and what is in your tapHome water filters, and whether coffee and tea count toward your fluid.2 guides

Labels, supplements and routines

2 topics, 11 guides

Reading labels and buying wellOther ingredients, gelatin or vegetarian capsules, storage and cost per serving.4 guides Building a routine that lastsWhere to keep things, habit anchors, pill organizers, batch prep, shift work and bad weeks.7 guides

New to fiber and digestion? Begin with these three.

  1. Fiber, from first principlesYour actual number, and the size of the gapThe adult targets of 21 to 38 grams, the 28-gram label figure, the average intake, and how to close the gap with food.Read the guide
  2. Fiber, from first principlesThe ramp: what actually happens when you add a lot of fiber at onceWhat the evidence shows on gas, bloating and dose, and how to build a gradual plan anyway.Read the guide
  3. How the body actually handles what comes inA meal, hour by hour: where your lunch actually isHow long each stage of digestion takes, and what fiber does on the slow final stretch through the colon.Read the guide
From the guide Your actual number, and the size of the gap

When a symptom needs a clinician, not more fiber

Food changes help many people, but some digestive symptoms belong with a health care professional rather than a grocery list.

Read the full guide: Prunes, kiwifruit and chia: what the studies actually examined

Signs to bring to a clinician

  • Constipation that is new, particularly in later adulthood
  • Blood in the stool
  • Unexplained weight loss
  • Persistent abdominal pain
  • Vomiting
  • A family history of colorectal cancer or inflammatory bowel disease
  • Symptoms that began after starting a new medication

If fiber is not helping

If you have tried an adequate amount for several weeks, with enough fluid, and nothing has changed, the answer is not a bigger portion. Non-response is a reason to see a clinician, not a reason to take more.

The full directory

Every guide, grouped by topic. Open a topic to see its guides.

How detox works in your body5 guides
Choosing a detox approach with care5 guides
Daily routines without extremes8 guides
Detox formula ingredients, one by one7 guides
Food first: the kitchen16 guides
Fiber, from first principles12 guides
How the body actually handles what comes in2 guides
Water, hydration and what is in your tap2 guides
Reading labels and buying well4 guides
Building a routine that lasts7 guides

Prefer a day-by-day plan?

An ebook that turns these topics into a 10-day routine you can follow.

Ebook Β· 10-day plan

Detox: A Definitive Guide

A practical 10-day plan built on everyday foundations: whole-food meals, more fiber, enough water, regular movement and better sleep. It explains how the liver, kidneys and digestive system already do the work, and it is not a juice fast or an extreme cleanse.

  • A day-by-day plan with simple whole-food meals
  • Recipes, shopping lists and preparation tips
  • Daily checklists for energy, digestion, fluids and sleep
  • A plan for which habits to keep after day ten
See the ebook $2.99 Β· digital delivery

The guides on this page are free to read. The ebook is optional.

How these guides are made

Plain language first

Each guide answers one practical question, from what to cook to how to read a label.

Sources you can check

Every guide lists the studies, guidelines and public sources it draws on.

Reviewed and dated

Prepared by the Longevity Premier Research Team. The detox series was reviewed in October 2026, the other guides in September 2026.