ArticleProbiotics may sound like some menacing robot army from the future, but in reality they exist in the present and are an important component of a healthy diet. Our bodies contain billions of helpful bacteria and other microorganisms that facilitate digestion and keep our insides healthy. Probiotics is the general term for dietary supplements and foods that contain these same "good" bacteria found in our bodies. So in essence probiotics are an army of sorts, but an important, helpful microscopic army that you eat.