05/27/2026
Many serotonin issues are actually gut issues.
About 90% of serotonin is produced in the gut, which means inflammation, poor gut health, and microbiome imbalances can directly impact mood, sleep, and emotional well-being.
Your gut bacteria do far more than help digestion; they influence neurotransmitters, nutrient absorption, inflammation levels, and even how well your nervous system functions.
This is why symptoms like low mood, anxiety, or sleep struggles can sometimes point back to underlying gut inflammation and nervous system imbalance. The body is always connected.
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