Is Your Gut Making You Moody? 5 Key Hormones That The Gut Controls

The gut and brain are in constant communication via the vagus nerve. The gut produces over 90% of your body's serotonin, a hormone that regulates mood, sleep, and happiness.

Feb 20, 2026 - 15:00
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The gut and brain are in constant communication via the vagus nerve. The gut produces over 90% of your body's serotonin, a hormone that regulates mood, sleep, and happiness.

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