Are probiotics effective in reversing non-alcoholic steatohepatitis?

The gut microbiota(GM)is an integrated ecosystem of tens of trillions of microorganisms,as actinomyces,archaea,protozoa,and last but not least viruses,including one thousand different species of known bacteria with an overall count of more than three million genes,150 times more than the human genome.GM presents immune-modulating,absorptive and metabolic functions(1).