Gut Microbiota: A Disregarded Subject in Toxicological Risk Assessment

The microbiome is coevolved in humans and healthy individuals. The microbiome is said to be in the symbiosis or eubiosis state, in which the microbiome is intact with its functions, such as digestion and absorption of food and xenobiotics, eliciting the immune response, protecting the body from external microorganisms, and producing the essential metabolites required for normal functioning of the body.