Disclosed is encoding of probiotic formulations, in order to alert both consumer and producer to counterfeiting and to allow purchasers of authentic product to gain access to quality and quantity testing regarding the product. The purchaser would preferably also provide, along with its identifying information, any product complaints, adverse reaction and positive responses, and consumer interest in and reaction to different formulations and products, as well as demographic, general health and education information, and other information about the purchaser (including any information useful for marketing and future product development and selection).