以下兩篇薈萃分析,結論都是多菌株優于單菌株。
Monostrain, Multistrain and Multispecies Probiotics -A comparison of functionality and efficacy (Timmerman, et al) 作者結論:與單菌株益生菌或多菌株益生菌相比,多菌種制劑更具優勢。
Health Benefits of Probiotics: Are Mixtures More Effective Than Single Strains (Chapman, et al) 作者結論:基于有限數量的研究,多菌株益生菌看來比單菌株的功效更強,即便該單菌株是混合物本身的成分。