L-Theanine improve immune function

Does l-theanine improve immune function?

Effectiveness Rating for L-Theanine's Ability to Improve Immune Function

The effectiveness rating is a measure of how well l-theanine is able to improve immune function. The overall rating for this claim is 2 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using L-Theanine to improve immune function may lead to positive results.

Confidence Rating for L-Theanine'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 is one study in the database on l-theanine; the confidence rating is 20. 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.


Title of Study
Effects of oral supplementation with cystine and theanine on the immune function of athletes in endurance exercise: randomized, double-blind, placebo-controlled trial

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