GAITHERSBURG, Md., Oct. 16, 2012 (GLOBE NEWSWIRE) -- Sigma-Tau Pharmaceuticals, Inc. announced today the U.S. launch of VSL#3® JUNIOR, a once-a-day, high-potency probiotic medical food for the dietary management of children who suffer from irritable bowel syndrome (IBS) and ulcerative colitis (UC). Unlike other marketed probiotics, VSL#3® JUNIOR is presently the only probiotic sold as a medical food for IBS and UC. Refrigerated VSL#3® JUNIOR contains 8 proprietary strains of 225 billion live bacteria, making it approximately 50 times more potent than the average probiotic.