What the research says:  A 2014 review of 24 trails hinted that Echinacea teas or supplements might help prevent colds.

Is it safe?  Echinacea can trigger nausea and in some people worsen asthma.

CR’s take: Any hot tea can help soothe cold and flu symptoms. But it’s probably not worth regularly taking Echinacea supplements on the off chance that they might help prevent colds.

Source: Consumer Reports magazine January 2018

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