Approximately 90% of the body's serotonin, the neurotransmitter that regulates mood, sleep, appetite, and emotional well-being, is produced in the gut by specialized enterochromaffin cells, not in the brain. Gut bacteria in the microbiome directly influence this production by sending chemical signals that either increase or decrease serotonin synthesis. This gut-derived serotonin communicates with the brain through the vagus nerve, a neural pathway connecting the gut to the brainstem, thereby influencing emotions, stress responses, and overall mental state throughout the day. This gut-brain axis connection means that mental health is not solely determined by brain activity but is significantly influenced by gut health and microbiome composition. Dietary choices, including consumption of probiotics, fiber, and fermented foods, can affect gut bacteria diversity and function, which in turn impacts serotonin production and consequently mental health outcomes.
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90% of Your Serotonin Isn't Made in Your Brain β It's Made in Your Gut π§ π¦ Added:
90% of your serotonin, the chemical that regulates your mood, isn't made in your brain. It's made in your gut.
Specialized intestinal cells produce it, gut bacteria trigger the process, and it signals back to your brain through the vagus nerve, influencing your emotions and stress levels all day. Your mental health isn't just in your head. It's in your microbiome. What you feed your stomach might matter as much as anything your therapist prescribes. Follow for more OMG facts.
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