Probiotics help balance the good and bad in your gut

We are not alone. On any given day, we’re in the company of 100 trillion bacteria living in our gut. From our mouth to our bottom end, microbiota, a helpful type of bacteria commonly called “gut flora,” populate our digestive tract, synthesizing vitamins B and K, producing energy, training the immune system to respond to pathogens and protecting against certain diseases. Probiotics are a culture of these “good” bacteria, and the term probiotics can be used when referring to foods or supplements that...