#gutbrainconnection Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. #guthealth #gutflora #microbes #microrganism #serotonin #neurotransmitter

#gutbrainconnection Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. #guthealth #gutflora #microbes #microrganism #serotonin #neurotransmitter

#gutbrainconnection Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. #guthealth #gutflora #microbes #microrganism #serotonin #neurotransmitter