Probiotics are kind of live and beneficial microorganisms that reside in the gastrointestinal tract of human and rodent and also naturally found in the fermented milk products. The probiotic correlation between consumption of probiotic and amelioration of metabolic problems has been confirmed by various studies. The microbes most commonly used as probiotic are lactic acid bacteria. Moreover, numerous strains of probiotic are belonging to genus Lactobacillus bifidobacterium. Moreover effects of probiotic has been reported to be strain dependent, although plethora of studies are coming throughout The world on health benefits of probiotics, still there is confusion about specific and accurate way by which probiotic influence the metabolism in general disorder. Therefore probiotics bacteria improve health by different mechanism such as improve hypercholesterolemia by binding of cholesterol to cell surface, assimilation of cholesterol, co-precipitation of cholesterol and finally lower the blood cholesterol. Probiotics have impact on obesity by lowering body weight, regulating lipid and glucose metabolism, have improvement of diabetes by improving insulin resistance, blood glucose level and also probiotics have role on improvement of colon cancer. This review more focuses on advantage effective of probiotics on health.
