YSK: Approximately 90-95% of your body's serotonin supply is produced in your GI tract. Poor gut health can not only impact you physically, but mentally as well.

YSK: Approximately 90-95% of your body's serotonin supply is produced in your GI tract. Poor gut health can not only impact you physically, but mentally as well.

YSK: Approximately 90-95% of your body's serotonin supply is produced in your GI tract. Poor gut health can not only impact you physically, but mentally as well.
from /r/YouShouldKnow