Effectiveness Rating for Caffeine's Ability to Improve Running Performance

The effectiveness rating is a measure of how well caffeine is able to improve running performance. 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 Caffeine to improve running performance will most likely lead to positive results.

Confidence Rating for Caffeine'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 caffeine; 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
Caffeine and performance over consecutive days of simulated competition
Caffeine increases performance in cross-country double-poling time trial exercise