Tryptophan improve running performance

Does tryptophan improve running performance?

Effectiveness Rating for Tryptophan's Ability to Improve Running Performance

The effectiveness rating is a measure of how well tryptophan is able to improve running performance. 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 Tryptophan to improve running performance may lead to positive results.

Confidence Rating for Tryptophan's Ability to Improve Running Performance

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 tryptophan; 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
Effect of L-tryptophan supplementation on exercise performance
L-tryptophan supplementation does not improve running performance

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