Overall Effectiveness Rating
The overall effectiveness rating for echinacea is 1.3 out of 3. This rating means there is little to no evidence to back the supplement's use. Using this supplement will not lead to positive results. Note, this effectiveness rating is for echinacea as a whole; there are also individual ratings for the claims below.
Read more: What is the effectiveness rating?
Research Rating for Echinacea
There are 4 studies in the database on echinacea; the research rating is 47. 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. Note, this research rating is for echinacea as a whole; there are also individual ratings for the claims below.
Read more: What is the research rating?
The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.
|Immune Health Claims||Effectiveness Rating||Research Rating|
|reduce frequency of the common cold||reduce duration of the common cold||reduce severity of the common cold|