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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