Does echinacea purpurea reduce severity of the common cold?
The effectiveness rating is a measure of how well echinacea purpurea is able to reduce severity of the common cold. The overall rating for this claim is 1.7 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Echinacea Purpurea to reduce severity of the common cold may lead to positive results.
The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.
There are 3 studies in the database on echinacea purpurea; the confidence rating is 60. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating.
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