Are Probiotics with More Strains Better? Unpacking the Complexity of Multi-Strain Formulas
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5 min read
A 2020 meta-analysis of 65 randomized controlled trials found that multi-strain probiotic mixtures were not significantly more effective than single-strain probiotics in the majority of cases. This challenges the common assumption that probiotics with more strains are better by highlighting the importance of strain specificity and clinical evidence over sheer numbers.