What is the Most Probiotic Food? A Comprehensive Guide
                                
                                
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                                    4 min read                                
                            
                                According to a 2017 review, the global market for probiotic supplements was estimated at $3.7 billion and projected to grow significantly, but food remains a key source. Determining the single most probiotic food is complex, as potency varies by strain and preparation, but certain fermented foods consistently top the list for their high concentration of beneficial microbes.