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https://www.openlearning.com/u/star-qbfbio/blog/10ThingsYouLearnedInPreschoolThatllHelpYouWithHowToChooseTheBestProbioticSupplement/
While some discussion the many benefits of probiotics, you can find those who swear by them. Dr. Bruce Fife explains the advantages of probiotics in his book The Anti-Gastrointestinal Guideline to Nutritious Nourishment.