Does echinacea reduce severity of the common cold?

Does echinacea reduce severity of the common cold?

Effectiveness Rating for Echinacea's Ability to Reduce Severity Of The Common Cold

The effectiveness rating is a measure of how well echinacea 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 to reduce severity of the common cold may lead to positive results.

Confidence Rating for Echinacea's Ability to Reduce Severity Of The Common Cold

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; 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.

References

Title of Study
Efficacy of a standardized echinacea preparation (Echinilin) for the treatment of the common cold: a randomized, double-blind, placebo-controlled trial
A randomized controlled trial of the effect of fluid extract of Echinacea purpurea on the incidence and severity of colds and respiratory infections
Echinacea purpurea therapy for the treatment of the common cold: a randomized, double-blind, placebo-controlled clinical trial

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