Health benefits of probiotics: are mixtures more effective than single strains?
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To link to this article DOI: 10.1007/s00394-010-0166-z
Probiotic mixtures appear to be effective against a wide range of end points. Based on a limited number of studies, multi-strain probiotics appear to show greater efficacy than single strains, including strains that are components of the mixtures themselves. However, whether this is due to synergistic interactions between strains or a consequence of the higher probiotic dose used in some studies is at present unclear.