Journal

Notes on gut health, honestly.

Evidence-based writing on microbiome science and the claims industry we're trying to fix.

Jun 7, 2026

Stressed gut and fermented foods

The anxiety and the gut trouble aren't two separate problems — they're connected by a real, two-way biological link. Here's what's actually known about the gut-brain axis, and the simple food levers that can help break the loop.

Apr 22, 2026

The biggest diet-microbiome study didn't fit our framework. So we built a controlled bridge.

The Human Phenotype Project reports diet scores, not food-level coefficients. We recovered food-level signal and selectively integrated it into our multi-cohort framework.

Apr 21, 2026

To extend beyond older microbiome cohorts, we had to build a bridge

We bridged newer shotgun/CLR cohorts back to our validated 16S reference layer using empirical anchor calibration across a five-cohort panel.

Apr 20, 2026

Before building on public microbiome studies, we checked whether they agree

We compared published coefficient tables from three large 16S diet-microbiome cohorts. Among significant shared signals, 89% pointed the same way.

Apr 20, 2026

Welcome to the Biome Bliss blog

A first look at why we started Biome Bliss — and why 88% of gut-health claims don't survive scientific review.