Inclusion Criteria:  Recipient of a living or deceased donor kidney transplant Maintenance of a therapeutic dose of Mycophenolate Mofetil (MMF) and Tacrolimus after transplant No other gastrointestinal issues  Exclusion Criteria:  Currently pregnant and lactating Has been receiving probiotics supplementation other than the study designated formula Participation in a different clinical trial Positive infection of Clostridium difficile and/or rotavirus as analyzed by stool culture