Your breast milk contains an astonishing living microbiome that helps build your baby’s gut and train their developing immune system to protect them. We developed Byomi, a product that keeps the living microbiome alive in stored breast milk.
Founded by scientists · Women-owned
Oxygen changes breast milk.
Your milk contains a unique microbiome, antioxidants, vitamins and essential fats like omega-3s, that benefit your baby’s gut and immune system. Breastfeeding passes that goodness directly from breast to baby with an air-tight seal. But once pumped, and stored, air gets in. In the lab, we discovered that oxygen exposure reduces these benefits.
Mothers conducted a blind smell test on stored milk, comparing milk kept with and without BYOMI to determine which smelled fresher.
chose the milk stored with BYOMI
Difference in how often each word was used, percentage points
Vertical axis: living bifidobacteria, % still viable · horizontal: days in the fridge
*Average of B. longum, B. bifidum and B. breve. From our 2026 study, currently under peer review.
Owned by the female scientists who researched it.
Seven years researching breast milk’s living bacteria at UCL’s Great Ormond Street Institute of Child Health led us to launch BoobyBiome, the baby gut health company built on breast milk science.
biophysics and neuroscience
living bacteria
microbiota preserver
UCL Great Ormond Street Institute of Child Health, London
BoobyBiome is on a mission to reduce infant disease globally, by unlocking the astonishing living bacteria found in breast milk for every baby’s gut microbiome.