Your gut,
decoded.
A science-based 2-minute assessment that reveals how your diet, sleep, and lifestyle shape your microbiome — with personalized recommendations backed by research.
How It Works
Our assessment evaluates five key dimensions of gut health based on the latest microbiome research.
Answer 10 Questions
Quick, science-based questions about your diet, sleep, stress, and symptoms.
Get Your Score
Receive your personalized Gut Health Score from 0-100 with a detailed breakdown.
Action Plan
Get specific, evidence-based recommendations tailored to your results.
Latest Research & Guides
Evidence-based articles to help you understand and improve your gut health.
The Gut-Brain Connection: How Your Stomach Controls Your Mood
Your gut produces 90% of your serotonin. Learn how the gut-brain axis affects your mental health, energy, and daily performance.
How Poor Sleep Destroys Your Gut Health in 48 Hours
New research reveals that just two nights of poor sleep can dramatically shift your gut microbiome. Here's what happens and how to fix it.
The 30 Plants Per Week Challenge That Changed Everything
Scientists say eating 30 different plant types weekly is the single most impactful thing you can do for gut health. Here's how to actually do it.
Fermented Foods: The Complete Beginner's Guide
From yogurt to kimchi to kombucha — which fermented foods actually help your gut, and how much do you need?
Stress Is Eating Your Gut Lining (And What To Do About It)
Chronic stress doesn't just feel bad — it physically damages your intestinal barrier. Learn evidence-based strategies to protect your gut.
The 5-Minute Morning Routine for Better Gut Health
What you do in the first 30 minutes of your day sets the tone for your entire digestive system. Here's the science-backed routine.
Prebiotics vs Probiotics: What's the Difference and Which Do You Need?
They sound similar but work completely differently. Learn why you might need both — and how to get them from everyday foods.
The Gut-Skin Axis: How Your Microbiome Affects Acne, Eczema & Aging
Your skin problems may start in your gut. Research reveals the surprising link between gut bacteria and skin conditions.
15 Best Foods for Gut Health (Backed by Research)
A definitive, science-backed list of the most impactful foods you can eat to support a healthy gut microbiome.
8 Warning Signs of an Unhealthy Gut (Most People Ignore #4)
Bloating and gas are obvious. But did you know poor sleep, skin issues, and sugar cravings can also signal gut problems?
Leaky Gut: Symptoms, Causes & Evidence-Based Ways to Heal
Bloating, brain fog, food sensitivities — could these be leaky gut symptoms? Learn what the science really says about intestinal permeability.
Gut Microbiome Diversity: Why It Matters & How to Improve It
A diverse gut microbiome is one of the strongest markers of health. Discover the 8 foods that build a richer microbiome.
How to Reset Your Circadian Rhythm: 7 Science-Backed Steps
Your sleep schedule is off — but your circadian rhythm can be reset. 7 evidence-based strategies. No pills required.
Bloating: 9 Root Causes and Evidence-Based Fixes That Actually Work
Chronic bloating is not normal. The 9 most common causes — from SIBO to low stomach acid — and the fixes that actually resolve them.
Probiotic Strains Guide: Which Ones Actually Work (2026 Research Review)
Not all probiotics are equal. A strain-by-strain research review for bloating, immunity, mood, and sleep — with dosage guidance.
Magnesium for Sleep: Which Form Actually Works (And Which to Avoid)
Seven magnesium forms, but only a few help sleep. Evidence-based guide to glycinate, threonate, taurate, and more.
Intermittent Fasting and Gut Health: What the Science Actually Says
Does intermittent fasting help or hurt the gut? An evidence-based look at time-restricted eating, the migrating motor complex, and microbiome diversity.
How Sugar Destroys Your Gut Microbiome (And How Fast It Recovers)
Excess sugar damages gut health within days. What sugar does to your microbiome, and the measurable recovery timeline.
Fiber 101: Soluble vs Insoluble (And Why You Need Both)
Most adults eat half the fiber they need — and only one type. The difference between soluble and insoluble, and how to get both.
The Complete Sleep Hygiene Checklist: 18 Science-Backed Habits
Most sleep advice is either obvious or wrong. 18 evidence-based habits that actually improve sleep quality, ranked by impact.
Is Poor Sleep Destroying Your Gut?
Research shows just 48 hours of bad sleep can shift your gut microbiome. Take our Sleep Quality Quiz to discover how your sleep habits impact your gut health.
Take the Sleep Quiz →Get Your Free Gut Health Guide
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Science-First Approach to Gut Health
VitalSync translates peer-reviewed microbiome research — including studies published by researchers at institutions like Stanford and findings from the American Gut Project — into actionable, everyday health improvements.