A member asked:

Can echinacea prevent or treat flu symptoms?

6 doctors weighed in across 2 answers

Maybe: The herbal supplement echinacea , in some studies, has been shown to boost one's immune system. However, this has not been shown in all studies of echinacea. The jury is still out on this supplement so it may or may not be beneficial.

Answered 1/3/2012

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No: Doesn't prevent or treat the flu.

Answered 12/9/2013

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