Article written by Arthur C. Ouwehand, DuPont Nutrition and Biosciences 02460 Kantvik, Finland Ashton Harper, ADM Protexin Ltd. Somerset, TA13 5JH, UK Jessica A. Ter haar, International Probiotic Association, Los Angeles, CA 90035, USA Anthony Thomas, Jarrow Formulas, CA, USA Thomas Tompkins, Lallemand Health Solutions, Montreal, QC H2P 2M6, Canada