There are 10 times the number of microbial cells in the human gut than in the whole human body. The gut is the biggest microbiome and the most diverse of the body’s microbiome sites. These tiny microorganisms are essential for our health so much so that major disruptions can cause serious health issues. These live microorganisms in the gut help with food digestion, immunity and inflammation. Evidence also shows that the microbiota can even influence our emotions and feelings.