The microbiome diet has been shown to increase longevity, burn fat, improve brain health, cleanse the digestive tract, balance hormones and gut flora, and promote fat loss. Unfortunately, a large number of individuals are unaware of a number of factors that are crucial to the efficacy of the diet, setting them up for disappointment, failure, and relapse.

According to the GAPS theory, a leaky gut releases harmful microbes and toxins into the bloodstream, which then travel to the brain and impair its function. According to this theory, limiting gut-damaging foods could aid in the treatment of conditions such as autism spectrum disorder, attention deficit hyperactivity disorder, and dyslexia.