Because 70 % of the body’s immune cells are found in the gut, the health of our digestive system has an impact on our immunity. When the gut becomes unbalanced with unhealthy levels of certain bacteria, probiotics can help restore the balance. Probiotics, or healthy bacteria – lactobacillus and bifobacterium – can help maintain the health of gastrointestinal tract, and even improve skin, reduce the number of colds you have a year, and reduce gastrointestinal symptoms such as gas and constipation.