The Gutsies bookshelf

Books we'd hand you
over the fence

Gummies are one piece of the gut-health puzzle. These are the books our team and medical advisors actually recommend to friends — chosen independently, no affiliate links, no sponsored picks.

For the grown-ups

Evidence-first reads on raising resilient kids from the inside out.

Cover: Healthy Kids, Happy Kids by Elisa Song, MD
Our top pick

Healthy Kids, Happy Kids

A whole-child guide to resilience that puts the microbiome at the center — practical protocols for everyday illnesses, antibiotics done wisely, and food-first immune support. The book we gift most.

Cover: Let Them Eat Dirt by B. Brett Finlay and Marie-Claire Arrieta
Microbiome 101

Let Them Eat Dirt

Two microbiologists on why over-sanitized childhoods backfire — and what to do instead, from birth through the picky years. The science behind our whole company, in plain English.

Cover: Dirt Is Good by Jack Gilbert and Rob Knight
Q&A format

Dirt Is Good

Built entirely from real parents' questions — pacifier off the floor? dog licking the baby? — answered by two of the field's leading scientists. Perfect for the nightstand skim.

Cover: The Good Gut by Justin and Erica Sonnenburg
Family food

The Good Gut

From the Stanford lab that shaped modern fiber research: how to feed a family's microbiome for the long haul, recipes included. Pairs nicely with a certain fiber gummy we know.

For little readers

Because "there are helpful bugs in your belly" lands better with pictures.

Cover: Gut Garden by Katie Brosnan
Ages 7+

Gut Garden

A gorgeously illustrated tour of the microbiome that treats kids like the scientists they are. Expect your dinner table vocabulary to include "microbe" within the week.

Cover: The Bacteria Book by Steve Mould
Ages 5+

The Bacteria Book

Gross in exactly the way five-year-olds love, accurate in the way parents appreciate. Germs, good bugs, and why we wash hands — with photos kids beg to re-read.

How this list works: we buy these with our own money and re-review the list twice a year. No affiliate links, no sponsorships — if a book stops earning its spot, we pull it. Have a favorite we missed? Tell us: books@gutsies.com