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Menopause Changes Your Gut—Here’s Why It Matters

by Dr. Stacy Sims
Mar 12, 2026
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Most conversations about menopause focus on hormones. But there’s another system quietly shifting at the same time: your gut microbiome.

The trillions of bacteria living in your gut influence everything from metabolism to immune function to brain health. And during perimenopause and menopause, this system changes in ways that can cause an impact across your entire body.

Let’s break down what the science shows—and what you can do about it.

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