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  • 30 days
  • 15-30 min/day
  • Easy
  • 3 actions/day

Gut Reset: A 30-Day Plan to Rebuild Your Gut Health From the Ground Up

Your gut is home to trillions of microbes that shape digestion, energy, mood, and immunity, and they respond to how you feed them within days. This 30-day plan rebuilds the whole system one meal at a time.

Gut Reset plan cover art
30-Day Plan

Gut Reset

A focused 30-day plan to heal your digestion and eat in a way that fuels you.

What is the Gut Reset?

The Gut Reset is a 30-day plan that rebuilds gut health through food and eating habits, not products. There is nothing to buy and nothing extreme: no juice fasts, no elimination protocols, no supplement stacks. The plan works by consistently feeding your gut microbes what they thrive on and removing what disrupts them, then letting biology do the rest.

Week one lays the foundations: a short food and gut journal to spot your patterns, more vegetables and fiber, proper hydration, and eating slowly without screens. Week two chases diversity, the single strongest predictor of a resilient microbiome, with new plant foods, legumes, and daily fermented foods. Week three tightens timing with a 12-hour eating window and an early kitchen close, and week four connects the gut-brain loop with stress and sleep practices, because a tense body digests poorly.

Each day has three small actions and one short lesson on the science, from resistant starch to why your gut bacteria influence your cravings. The full day-by-day schedule is below.

Who it's for

  • You feel bloated or heavy after meals more days than not
  • Your energy crashes mid-afternoon no matter what you eat
  • Your diet has quietly narrowed to the same few processed foods
  • You eat most meals rushed, standing, or staring at a screen
  • Cravings decide what you eat more often than you do
  • You want a food reset that does not involve juice, powders, or starvation

The full 30-day schedule

Every day of the plan, exactly as it appears in the app: three actions plus one short lesson.

Week 1Days 1-7
1
  • Food and Gut Journal10 min
  • Drink 2 Liters of WaterAnytime today
  • 15 Minute Walk15 min

Lesson: The Organ You Forgot

2
  • Eat Vegetables with Every MealAnytime today
  • Eat a New PlantAnytime today
  • Drink 2 Liters of WaterAnytime today

Lesson: Heal Your Gut First

3
  • Fiber-First BreakfastAnytime today
  • Half a Plate of VegetablesAnytime today
  • 15 Minute Walk15 min

Lesson: Fiber Feeds Your Microbiome

4
  • Drink 2 Liters of WaterAnytime today
  • Eat a New PlantAnytime today
  • Eat Without ScreensAnytime today

Lesson: Water is Life

5
  • Food and Gut Journal10 min
  • 15 Minute Walk15 min
  • Eat Vegetables with Every MealAnytime today

Lesson: Mood Grows in the Gut

6
  • Chew One Meal SlowlyAnytime today
  • Eat Without ScreensAnytime today
  • Half a Plate of VegetablesAnytime today

Lesson: Digestion Starts in Your Mouth

7
  • 2 Minutes of Sighing Breaths2 min
  • Eat Without ScreensAnytime today
  • 20 Minutes in Nature20 min

Lesson: Stress Switches Off Digestion

Week 2Days 8-14
8
  • Eat a New PlantAnytime today
  • Half a Plate of VegetablesAnytime today
  • Drink 2 Liters of WaterAnytime today

Lesson: Thirty Plants a Week

9
  • Fiber-First BreakfastAnytime today
  • Eat a Serving of LegumesAnytime today
  • 15 Minute Walk15 min

Lesson: How Fiber Pays You Back

10
  • Eat Vegetables with Every MealAnytime today
  • Eat a New PlantAnytime today
  • 10 Minute Post-Meal Walk10 min

Lesson: Nutrient Density Wins

11
  • Feed Your BacteriaAnytime today
  • Eat One Fermented FoodAnytime today
  • Drink 2 Liters of WaterAnytime today

Lesson: Seeds and Fertilizer

12
  • Eat a Serving of LegumesAnytime today
  • Eat a New PlantAnytime today
  • Half a Plate of VegetablesAnytime today

Lesson: The Leftovers Advantage

13
  • Eat a New PlantAnytime today
  • Half a Plate of VegetablesAnytime today
  • 15 Minute Walk15 min

Lesson: Eat the Rainbow, Literally

14
  • Fiber-First BreakfastAnytime today
  • Eat a Serving of LegumesAnytime today
  • Eat Vegetables with Every MealAnytime today

Lesson: Choose Complex Carbs

Week 3Days 15-21
15
  • Eat One Fermented FoodAnytime today
  • Eat a New PlantAnytime today
  • Drink 2 Liters of WaterAnytime today

Lesson: The Ancient Gut Hack

16
  • No Ultra-Processed Food TodayAnytime today
  • Half a Plate of VegetablesAnytime today
  • 15 Minute Walk15 min

Lesson: What Processed Food Does

17
  • No Ultra-Processed Food TodayAnytime today
  • Eat a New PlantAnytime today
  • 10 Minute Post-Meal Walk10 min

Lesson: Inflammation: The Silent Killer

18
  • Eat One Fermented FoodAnytime today
  • Half a Plate of VegetablesAnytime today
  • 15 Minute Walk15 min

Lesson: Live Anti-Inflammatory

19
  • Alcohol-Free TonightAnytime today
  • Drink 2 Liters of WaterAnytime today
  • Eat a New PlantAnytime today

Lesson: Alcohol and Your Gut Lining

20
  • Eat One Fermented FoodAnytime today
  • Feed Your BacteriaAnytime today
  • Eat Vegetables with Every MealAnytime today

Lesson: Your Immune System Lives Here

21
  • Eat One Fermented FoodAnytime today
  • No Ultra-Processed Food TodayAnytime today
  • Fiber-First BreakfastAnytime today

Lesson: The Wall That Keeps You Well

Week 4Days 22-28
22
  • Plan Tomorrow's Meals10 min
  • Chew One Meal SlowlyAnytime today
  • 15 Minute Walk15 min

Lesson: Your Gut's Cleaning Crew

23
  • 12-Hour Eating WindowAnytime today
  • Close the Kitchen EarlyAnytime today
  • 30 Minute Wind-Down30 min

Lesson: Close the Kitchen at Night

24
  • 12-Hour Eating WindowAnytime today
  • Eat Protein with BreakfastAnytime today
  • Close the Kitchen EarlyAnytime today

Lesson: Your Gut Keeps a Clock

25
  • 12-Hour Eating WindowAnytime today
  • 30 Minute Wind-Down30 min
  • Get 8 Hours of SleepAnytime today

Lesson: Gut and Sleep Share a Clock

26
  • Drink 2 Liters of WaterAnytime today
  • Eat a New PlantAnytime today
  • Eat One Fermented FoodAnytime today

Lesson: Your Skin Reflects Your Gut

27
  • Plan Tomorrow's Meals10 min
  • Half a Plate of VegetablesAnytime today
  • Eat a New PlantAnytime today

Lesson: Meal Prep Your Success

28
  • Chew One Meal SlowlyAnytime today
  • Food and Gut Journal10 min
  • 10 Minute Post-Meal Walk10 min

Lesson: Normal Bloating vs Red Flags

Week 5Days 29-30
29
  • Eat One Fermented FoodAnytime today
  • Feed Your BacteriaAnytime today
  • Eat a Serving of LegumesAnytime today

Lesson: Rebuilding After Antibiotics

30
  • Eat a New PlantAnytime today
  • Eat One Fermented FoodAnytime today
  • 12-Hour Eating WindowAnytime today

Lesson: Tend the Garden for Life

Sample actions from the plan

A few of the daily actions you'll complete during the 30 days.

Eat One Fermented Food
BodyAnytime today

Eat One Fermented Food

Eat one serving of a live fermented food today: yogurt, kefir, sauerkraut, kimchi, miso, or kombucha

Fiber-First Breakfast
BodyAnytime today

Fiber-First Breakfast

Start your day with a high-fiber breakfast: oats, whole fruit, chia, beans, or vegetables, not refined carbs

10 Minute Post-Meal Walk
Body10 min

10 Minute Post-Meal Walk

Take a 10 minute walk right after your biggest meal and flatten the glucose spike before it hits

Eat a New Plant
BodyAnytime today

Eat a New Plant

Eat one plant food you haven't had yet this week, a new vegetable, fruit, legume, nut, seed, or herb

The science behind it

Your large intestine hosts trillions of bacteria spanning hundreds of species, and their composition shifts measurably within days of a diet change, as David and colleagues showed in a landmark 2014 Nature study. That speed is the entire premise of a 30-day reset: the system you are trying to change is unusually responsive.

Diversity is the metric that matters most. The American Gut Project, one of the largest microbiome studies published, found that people eating more than 30 different plant foods per week had markedly more diverse gut microbiomes than those eating 10 or fewer. That is why this plan pushes new plants, legumes, and variety rather than a single miracle food.

Fermented foods earn their daily slot from a 2021 Stanford study by Wastyk and colleagues in Cell, in which ten weeks of a diet high in fermented foods like yogurt, kefir, kimchi, and sauerkraut increased microbiome diversity and lowered markers of inflammation across 19 inflammatory proteins.

The plan also works the gut-brain axis in both directions. Your gut and brain are wired together through the vagus nerve, which is part of why stress shows up as digestive discomfort. Slow eating, post-meal walks, breathwork, and decent sleep are not add-ons here; research links all of them to better digestion, steadier glucose responses, and a calmer gut. You can read more about the research behind every DoReset plan on our science page.

What to expect

Days 1-7

Awareness and possible grumbling

The food journal reveals patterns fast. As fiber climbs, expect some extra gas and gurgling while your microbes adjust to the new supply. Drink the water; fiber without water backfires.

Days 8-15

Digestion settles

The bloated, heavy after-meal feeling starts fading as diversity climbs and meals slow down. Many people notice steadier energy through the afternoon around this point.

Days 16-23

Timing pays off

The 12-hour overnight break and earlier last meal tend to improve both morning appetite and sleep quality. Cravings for ultra-processed food are noticeably quieter.

Days 24-30

A system that runs itself

Eating this way stops requiring willpower. You finish with a personal picture of which foods your gut loves, which it protests, and a routine you can keep without thinking about it.

Gut Reset FAQ

Common questions about the 30-day plan.

How do you reset your gut?
Feed it consistently well for a few weeks: plenty of fiber and plant variety, a daily fermented food, enough water, unhurried meals, and a 12-hour overnight break, while cutting back ultra-processed food and late-night eating. Your microbiome starts shifting within days of these changes. This plan turns that formula into three scheduled actions a day for 30 days.
How long does a gut reset take?
Microbial composition begins changing within about 3 to 4 days of a diet change, and most people feel a difference in digestion within two weeks. This plan runs 30 days because the goal is a resilient, diverse microbiome and durable habits, not a quick before-and-after. Searches for 3-day or 7-day gut resets are popular, but the biology favors consistency over intensity.
Do I need a cleanse, juice fast, or supplements?
No. Your liver and kidneys already handle detoxification, and restrictive cleanses usually starve the beneficial microbes you are trying to support. This plan is built entirely on regular food: vegetables, legumes, whole grains, fermented foods, and water.
What foods are included in the gut reset diet?
Vegetables at every meal, a high-fiber breakfast, legumes, prebiotic foods like onion, garlic, oats, and slightly green bananas, one fermented food daily such as yogurt, kefir, sauerkraut, kimchi, or miso, and at least one new plant food each week. Nothing is banned outright; ultra-processed food and alcohol get targeted off-days rather than permanent prohibition.
Will I feel worse before I feel better?
Possibly, briefly. Ramping up fiber can cause extra gas and bloating for a few days while your microbes adapt. The plan increases fiber gradually and pairs it with hydration to keep that window short. If discomfort is severe or persistent, that is a signal to see a professional rather than push through.
Is this plan vegetarian? Can I still eat meat?
You can absolutely eat meat. The plan adds plants rather than removing animal products: half a plate of vegetables, legumes a few times a week, protein at breakfast. It layers onto almost any eating style, including vegetarian and gluten-free.
Can a gut reset help with bloating?
Many people find their bloating eases when they eat more slowly, chew thoroughly, walk after meals, and give digestion a 12-hour overnight rest, all of which are scheduled in this plan. That said, persistent or painful bloating deserves a medical conversation, not just a habit plan.
What happens after the 30 days?
The final week is designed to make the core habits permanent: your ten favorite gut-friendly foods, your default meal rhythm, and the handful of rules that made the biggest difference. Most people carry the fermented-food habit and the eating window forward without effort.

Learn the method

Free guides that pair with this plan.

Not sure the Gut Reset is right for you?

Take the free 2-minute quiz. It scores 14 resets against your answers and recommends the plan your life needs first.