Improvement of Health by Probiotics: The Roles on Human Gut and Immune Modulation

The term probiotic refers to viable, non-pathogenic microorganisms when ingested in an adequate and controlled amount confer health benefits for the host. In present review, the beneficial effect of probiotics to human health is presented. Introduction section discuss details about backgrounds of probiotic, criteria associated with probiotic, mechanisms and beneficial effect on human gut and immune system and beneficial effects of probiotics on health. The review mainly focused on clinical studies with probiotics and different investigations are discussed in detail. On these regard many experimental studies have found that probiotics have specific effects for different diseases that have been studied are presented. This review also gives back ground on different strain of probiotics and introduces some harmful strains and there possible health related consequences.