"Women Have Different Intestines" – Book Review: Women's Gut Health Is Finally Being Taken Seriously!

As a nutritional scientist and expert in holistic women's health, I am always looking for books that finally shed light on sex-specific differences in medicine. "Women Have Different Intestines" does exactly that—and does so in a way that is both scientifically sound and practically applicable.

Why This Book Is a Milestone for Women's Health

The gender data gap in medicine is real and has far-reaching consequences for all non-male people. This book finally fills an important knowledge gap and explains why our intestines actually work differently than men's.

The most important findings at a glance:

Anatomical peculiarities: Did you know that the female intestine is longer and has to share space with the reproductive organs? This fact alone explains many digestive complaints that affect us women more frequently.

Hormonal rollercoaster: The author brilliantly explains how female hormones influence:

• Intestinal motility and thus problems such as constipation or diarrhea
• Our perception of pain in the abdominal area
• Gut-brain communication
• The permeability of the intestinal wall
• Our gut immune system

IBS, PCOS, and Endometriosis – The Connections Are Finally Explained

I find the detailed chapters on irritable bowel syndrome, which affects women significantly more often, particularly valuable. The checklists and illustrations make complex connections easy to understand.

For me, the chapter on the links between intestinal diseases and PCOS as well as endometriosis was a real eye-opener. The shared risk genes and the vicious cycle of endometriosis, pain medication, and a damaged intestinal barrier are presented so clearly that even laypeople can understand the connections.

The Microbiome and the Underrated Estrobolome

As a nutritional scientist, I am thrilled by the chapter on the microbiome. Finally, the estrobolome is being addressed—an aspect that is overlooked far too often! The fact that even the microbiome and associated disease risks change during gender-affirming hormone therapies shows how closely hormones and gut health are linked. These are incredibly interesting facts that I had never read about before.

Practical Section: Strong on Theory, Room for Improvement Regarding Plant-Based Diets

The structured practical section with goals, nutritional recommendations, and recipes is very clearly organized. The recipes are sophisticated and varied—even the FODMAP diet for SIBO is presented in an appealing way.

My only criticism: Most of the recipes are designed for mixed diets. For anyone who eats plant-based, veganizing them is often difficult or, in some cases, not possible at all. It would have been great to have a note about plant-based alternatives.

Who Is This Book Suitable For?

This book is a must-have for:

• Women with recurring digestive complaints
• Those affected by PCOS, endometriosis, or IBS
• Anyone who wants to understand their gut health in the context of their hormones
• Women's health advisors and therapists

My Conclusion: A Reference Book That Provides Confidence

With the detailed information on diagnostics and treatment options, you will feel optimally prepared for your next doctor's appointment. Medical gaslighting will have little chance here—the checklists and facts provide you with the necessary arguments, and the gut diary allows you to monitor yourself.

I learned astonishing new facts in every chapter (e.g., how does it affect the microbiome and disease risks that women suffer more frequently from urinary tract infections and thus take antibiotics more often?), all important topics are covered (even histamine and stress are addressed). I almost read the book in one sitting because it is so interesting and enriching, and Dr. Seiderer-Nack also brings a wonderfully humorous tone to this topic.

This book is not only an important educational resource for laypeople, but also a great reference book for anyone who works professionally in women's health.

The Book

“Women Have Different Intestines” by Prof. Dr. med. Julia Seiderer-Nack was published by GU Verlag on May 9, 2025.