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Microbiome testing company Tiny Health clinches $33M to scale research, enterprise partnerships

Read the original at Fierce Healthcare

Read “Microbiome testing company Tiny Health clinches $33M to scale research, enterprise partnerships” at Fierce Healthcare →

Machine-written summary. The paragraph and the list below were written by a language model reading Fierce Healthcare's article, not by The 5:45's editors, and they describe that article rather than add to it. (model: @cf/ibm-granite/granite-4.0-h-micro) The original, linked above, is the actual reporting.

Tiny Health, a microbiome testing company, has secured $33 million in a series B funding round led by Capital B, signaling growing investor confidence in the growing field of gut microbiome research and its potential applications in precision medicine. The capital will be used to advance research, expand provider education, scale the B2B platform, and grow the patient-facing AI agent. This move comes as the company launches a $5 million Microbiome Research Program to enable researchers, clinicians, and scientific partners to investigate intervention strategies in microbiome health.

What Fierce Healthcare reported

  • Tiny Health raised $33 million in an oversubscribed series B round, bringing its total raised capital to $46 million, to advance research, expand provider education, scale the B2B platform, and grow the patient-facing AI agent.
  • The company has over 6,000 practitioners on its platform and 47 enterprise partners, with its B2B platform growing 4x last year.
  • Tiny Health launched a $5 million Microbiome Research Program to enable researchers, clinicians, and scientific partners to investigate intervention strategies in microbiome health, aiming to help them add a microbiome layer to their existing work or plans using Tiny tests
Read the full story at Fierce Healthcare → Back to Tuesday, October 6, 2026's edition