This study has been compiled with the motive of forecasting the various species of microorganisms identified as positive probiotics in alleviating different disease conditions. It is of assumption that the probiotics are involved only in the maintenance of gastro intestinal health, but a little focus into the research studies show that there are wide range of diseases where the probiotics showcase themselves as health pioneers.Diminutive effort has been put to portray the food sources and theirresidence in the human body.DOI: http://dx.doi.org/10.24327/ijcar.2017.5234.0677