science + data to support your journey
baby gut microbiome test + donor breast milk bundle
Leche × Tiny Health
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This limited Leche x Tiny Health bundle includes 30 single-use Leche freeze-dried donor human milk sachets (8 grams each) and two Tiny Health gut microbiome tests, giving you two snapshots of your baby’s microbiome alongside 30 days of Leche. Each Tiny Health test includes an informational microbiome report, offering insight into the bacteria living in your baby’s gut and how their microbiome develops over time.
Designed for formula-fed babies 12 weeks or younger.
two brands. one complete bundle.
Questions before you order? Our team is here to help.
For best results, consult your pediatrician when introducing Leche Powdered Breast Milk into your infant's diet.
the future of infant nutrition
"We're only beginning to understand the biological intelligence of breast milk. We're asking a simple but important question: if even small amounts of human milk help shape the infant microbiome, how might that change the future of infant nutrition?" Trish Clifford, Leche Co-Founder.

your baby's microbiome is developing from day one.
Modern infant formula has made incredible progress and now includes one or two HMOs. But only human breast milk naturally contains the complete ecosystem of bioactive compounds that evolved together over millions of years.