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Blogs

Gut Dysbiosis: Signs, Causes, and How Testing Measures It

Gut Dysbiosis: Signs, Causes, and How Testing Measures It

Gut dysbiosis describes an imbalance in the community of bacteria living in the digestive tract. Understanding what it is, what drives it, and how it is measured is the first step toward a more informed conversation about gut health.

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Laboratory tube used for DNA sequencing analysis, illustrating gut microbiome test accuracy

Are At-Home Gut Microbiome Tests Accurate? What the Science Says in 2026

At-home gut microbiome tests often disagree, and a 2026 NIST study shows why. Here is where PCR, 16S, shotgun, and metatranscriptomics break down, and why long-read ribosomal sequencing is a step change.

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GutID at-home microbiome test kit box on a sunlit kitchen counter, illustrating microbiome testing for IBS

The Best Microbiome Test for IBS: What to Look For in 2026

Looking for the best microbiome test for IBS? Learn which features matter most, what IBS-specific biomarkers to look for, and why strain-level and species identification testing changes the game.

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