Gut Type Science

The 4 Gut Types โ€”
Which One Are You?

Your Gut Type is the pattern of microbial activity that shapes how your body responds to everything you eat, every supplement you take, and every health goal you pursue.

The Framework

Meet the 4 Gut Types

Research into microbiome patterns reveals that most people's gut microbial activity clusters into one of four dominant profiles. Each has distinct strengths, vulnerabilities, and optimal inputs.

A

The Cultivator

The most microbiome-diverse Gut Type. A Cultivator's gut is a thriving ecosystem.

High diversity Fiber-loving Resilient Anti-inflammatory
A

The Cultivator

The most microbiome-diverse Gut Type. A Cultivator's gut is a thriving ecosystem.

Signature Traits
High diversity Fiber-loving Resilient Anti-inflammatory
Type A

The Cultivator

Cultivators have the highest microbial richness of all Gut Types. Their gut is home to a wide variety of species that form a balanced, resilient ecosystem โ€” capable of handling dietary variety with ease. Cultivators often report consistent energy, good digestion, and relatively few food sensitivities.

The Cultivator's diverse microbiome is particularly efficient at fermenting dietary fiber into short-chain fatty acids (SCFAs) like butyrate โ€” a critical fuel source for gut lining cells that also has powerful anti-inflammatory effects throughout the body.

Strengths
  • โœ“ Handles dietary variety well
  • โœ“ Strong immune regulation
  • โœ“ Efficient SCFA production
  • โœ“ Resilient to dietary disruption
Watch Out For
  • โš  Complacency with diet quality
  • โš  Microbiome can degrade with antibiotics
  • โš  May mask early warning signs
Optimal Protocol for Cultivators
Eat More Of
  • โ†’ Leafy greens & cruciferous vegetables
  • โ†’ Legumes & pulses
  • โ†’ Fermented foods (yogurt, kefir, kimchi)
  • โ†’ Diverse whole grains
Reduce or Avoid
  • โ†’ Ultra-processed foods
  • โ†’ Excessive alcohol
  • โ†’ Antibiotics unless essential
B

The Sentinel

A reactive microbiome with a heightened immune-linked microbial profile.

Immune-active Reactive Allergy-prone Inflammation-sensitive
B

The Sentinel

A reactive microbiome with a heightened immune-linked microbial profile.

Signature Traits
Immune-active Reactive Allergy-prone Inflammation-sensitive
Type B

The Sentinel

Sentinels carry a microbial profile strongly linked to immune system activation. Their gut contains an elevated presence of bacteria that communicate directly with immune cells โ€” making them highly responsive to threats, but also prone to over-reaction. This is the Gut Type most commonly associated with food allergies, seasonal allergies, eczema, and inflammatory conditions.

The Sentinel's gut is not broken โ€” it's hypervigilant. When properly calibrated through targeted nutrition, Sentinels can actually leverage their immune sensitivity for outstanding health outcomes. But without the right protocol, they suffer.

Strengths
  • โœ“ Strong pathogen detection
  • โœ“ Rapid immune response
  • โœ“ Responds well to elimination diets
Watch Out For
  • โš  Food allergies & sensitivities
  • โš  Chronic low-grade inflammation
  • โš  Leaky gut susceptibility
Optimal Protocol for Sentinels
Prioritize
  • โ†’ Anti-inflammatory omega-3 rich foods
  • โ†’ Low-histamine foods initially
  • โ†’ Quercetin-rich vegetables
  • โ†’ Probiotic strains (Lactobacillus rhamnosus)
Eliminate First
  • โ†’ Gluten (test response)
  • โ†’ Dairy (test response)
  • โ†’ Processed seed oils
  • โ†’ High-sugar foods
C

The Processor

An efficient metabolic engine, optimized for protein and fat processing.

High metabolism Protein-optimized Low fiber need Energy-efficient
C

The Processor

An efficient metabolic engine, optimized for protein and fat processing.

Signature Traits
High metabolism Protein-optimized Low fiber need Energy-efficient
Type C

The Processor

Processors are built for efficiency. Their microbial profile is dominated by species specialized in breaking down proteins and fats โ€” extracting more nutrition per gram than other Gut Types. Processors often thrive on higher-protein diets and can tolerate less dietary fiber without experiencing the disruption other types would.

This is the Gut Type that often thrives on carnivore or ketogenic diets โ€” not because those diets are universally optimal, but because they align with the Processor's metabolic machinery. Forcing a Processor onto a high-fiber vegan diet often results in bloating, low energy, and poor outcomes.

Strengths
  • โœ“ Efficient amino acid utilization
  • โœ“ Strong muscle protein synthesis
  • โœ“ Thrives on structured nutrition
Watch Out For
  • โš  Low microbial diversity over time
  • โš  TMAO production (cardiovascular link)
  • โš  Constipation risk on low-fiber diets
Optimal Protocol for Processors
Prioritize
  • โ†’ Quality animal proteins
  • โ†’ Healthy fats (avocado, olive oil)
  • โ†’ Cooked (not raw) vegetables
  • โ†’ Bone broth for gut lining support
Moderate
  • โ†’ High-fiber foods (can cause gas)
  • โ†’ Legumes (test tolerance)
  • โ†’ Excess red meat (TMAO risk)
D

The Adaptor

A fluctuating microbiome that thrives on routine and consistency.

Variable Context-sensitive Routine-dependent Stress-reactive
D

The Adaptor

A fluctuating microbiome that thrives on routine and consistency.

Signature Traits
Variable Context-sensitive Routine-dependent Stress-reactive
Type D

The Adaptor

Adaptors are defined by their microbiome's variability. Their gut composition shifts significantly in response to stress, sleep disruption, travel, and dietary changes. When conditions are stable and supportive, Adaptors feel excellent. But when their routine breaks down, so does their gut โ€” and everything downstream from it.

Adaptors are often the people who feel great when they're "on" their health routine but fall apart quickly when life gets busy. They're not weak โ€” their Gut Type simply requires consistent inputs to maintain stability. With the right system, Adaptors can build remarkable resilience.

Strengths
  • โœ“ Highly responsive to intervention
  • โœ“ Can rebuild microbiome quickly
  • โœ“ Strong results from structured protocols
Watch Out For
  • โš  Stress-induced gut dysbiosis
  • โš  Sleep disruption cascade
  • โš  Difficult to diagnose (varies by season)
Optimal Protocol for Adaptors
Build Systems For
  • โ†’ Consistent meal timing
  • โ†’ Stress reduction practices
  • โ†’ Regular sleep schedule
  • โ†’ Daily prebiotic foods
Minimize
  • โ†’ Erratic eating schedules
  • โ†’ Chronic stress without recovery
  • โ†’ Gut-disrupting medications
Your Protocol Starts Here

Every Type Has a Different Optimal Diet.
Yours Is Waiting.

The quiz below gives you a strong starting signal. But only a Viome RNA test can tell you exactly which bacteria are active in your gut right now โ€” and precisely which foods to eat, avoid, or make your superfoods.

Find My Type Free โ†’ Get a Viome Test
Free ยท 3 Minutes ยท Instant Result

Discover Your Gut Type

Answer 8 questions for an estimated Gut Type. Then confirm with a Viome test for precision.

GutType Quiz
Question 1 of 8
Select an answer to continue
Your Gut Type

This is an estimated result based on self-reported symptoms. For a precise, lab-confirmed Gut Type analysis, get tested with Viome.
Confirm With a Viome Test โ†’
Precision Results

Your Quiz Result Is Just the Start

The quiz gives you a strong signal. A Viome test gives you the full picture โ€” down to which specific bacteria are active in your gut right now.