The number of U.S. products that contain probiotics and prebiotics or that make this specific label claim have been increasing. Other countries are ahead of the United States in introducing and promoting such products. However, several prebiotic and prebiotic products on the world market have recently made an appearance in the United States. U.S. companies can learn from other countries about the introduction and promotion of such products. Those seeking to develop pro- and prebiotic products need to educate consumers and watch what is happening in other countries.