By now you must have heard about probiotics, know that they are healthy and are wondering if you should be taking them. Before you stock up on pills, it would be helpful to understand how they work and whether your body really needs them. Inside our digestive tract, we harbor about 100 trillion bacteria – both good and bad. Probiotics are healthy bacteria that reside in our gastrointestinal tract. You may associate the word ‘bacteria’ with something that is harmful, but it’s actually the other way round.
  
                                                                    
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