How to read your Biomesight results
Biomesight is one of the few direct-to-consumer microbiome tests that gives you back the underlying data, not just a curated dashboard. It uses 16S rRNA sequencing to map the entire bacterial community at the genus level, which is the right approach when the clinical question is ecology and diversity rather than a specific pathogen. The interpretation interface is dense and statistical, which is its core trade-off: more data than competitors, harder to act on.
How Biomesight works
16S ribosomal RNA gene sequencing. Sequences a region of the 16S rRNA gene shared across all bacteria and archaea, then compares the readings to a reference database to identify which organisms are present and in what relative abundance. This is the same methodology used by ZOE, Tiny Health, and many academic microbiome studies.
What Biomesight does well
- Comprehensive bacterial community map (genus and species level where resolvable)
- Real diversity metrics (Shannon, Simpson, observed richness)
- Accepts FASTQ uploads from third-party labs (Ombre, Psomagen, Olawell)
- Lower cost than GI-MAP or Genova
- Good longitudinal tracking when retested over time
What Biomesight misses
- Does not detect parasites or viruses
- Cannot quantify host markers (no Calprotectin, sIgA, Zonulin)
- 16S has limited species-level resolution for many genera
- No short-chain fatty acid measurement
- Less validated for clinical decisions than GI-MAP or Genova
What's on the Biomesight panel
These are the markers Biomesight reports on. Click any underlined marker to see what the result means and how to address it.
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Upload my Biomesight PDFWhen Biomesight is the right test
- general microbiome optimization without a specific symptom
- tracking change over time on a budget
- low diversity flagged on a previous test
- interest in the ecological picture (Bacteroidetes vs Firmicutes, ratio shifts)
- post-antibiotic recovery monitoring