Does zinc improve immune function?
The effectiveness rating is a measure of how well zinc is able to improve immune function. The overall rating for this claim is 3 out of 3. The research shows the supplement's ability to deliver on this particular claim is warranted. Using Zinc to improve immune function will most likely 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 2 studies in the database on zinc; the confidence rating is 40. 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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