Probiotics can be helpful in some cases, but it’s unclear whether they are safe for all older adults. Preliminary information shows that some types of probiotics are safe for healthy older people, but it’s not known yet if probiotics prevent infections in the elderly. If someone has a health problem, especially an immune system weakened by illness or medication, that person could get sick from probiotics. People should not begin taking probiotics without talking to a doctor or pharmacist first.
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