Vitamin C improve immune function

Does vitamin c improve immune function?

Effectiveness Rating for Vitamin C's Ability to Improve Immune Function

The effectiveness rating is a measure of how well vitamin c is able to improve immune function. The overall rating for this claim is 1 out of 3. There is little if any research to warrant the use of Vitamin C to improve immune function. Using Vitamin C to improve immune function will probably not yeild any positive results and is likely a waste of money.

Confidence Rating for Vitamin C's Ability to Improve Immune Function

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 vitamin c; 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.

References

Title of Study
Influence of vitamin C supplementation on oxidative and immune changes after an ultramarathon
Vitamin C Supplementation Does Not Alter the Immune Response to 2.5 Hours of Running

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