National Geographic
While probiotic supplements have been touted as a gut-health booster, recent research shows why three groups of people may want to steer clear of them.
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Probiotic supplements won’t help certain types of people. Are you one of them?
Connie Chang
09:20
While probiotic supplements have been touted as a gut-health booster, recent research shows why three groups of people may want to steer clear of them.
