Infant Microbiome Studies

Tiny Health and Free to Feed Partnered to Study Infant Microbiomes

The precision microbiome platform Tiny Health and the infant feeding advocacy organization Free to Feed have published a study in Frontiers in Microbiomes that reveals the gut microbiomes of infants with eczema or food allergies begin to diverge from those of healthy peers as early as six months of age.

The Tiny Health x Free to Feed research analyzed stool samples from 97 children aged 40 to 46 months and found that while the microbiomes of allergic and non-allergic infants appear largely similar before six months, meaningful distinctions emerge during mid-infancy. These differences have the ability to persist through toddlerhood and are characterized by lower microbial diversity, delayed maturation, increased antibiotic resistance signatures, reduced levels of beneficial butyrate-producing bacteria, and higher abundance of inflammation-associated microbes. This underscores the urgency of preventive interventions in the earliest months of life.

The study builds on Tiny Health's previous randomized controlled trial, which demonstrated that personalized gut health support in the first months of life reduced eczema odds in cesarean-section babies by 83%.

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