Prebiotics are types of dietary fiber that feed the friendly bacteria in your gut. This helps the gut bacteria produce nutrients for your colon cells and leads to a healthier digestive system ( 1 ). Some of these nutrients include short-chain fatty acids like butyrate, acetate and propionate ( 2 ). The prebiotics concept was introduced for the first time in 1995 by Glenn Gibson and Marcel Roberfroid. Prebiotic was described as “a non-digestible food ingredient that beneficially affects the host by selectively stimulating the growth and/or activity of one or a limited number of bacteria in the colon, and thus improves host health”