Effectiveness Rating for Caffeine's Ability to Decrease Fatigue

The effectiveness rating is a measure of how well caffeine is able to decrease fatigue. The overall rating for this claim is 1.8 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Caffeine to decrease fatigue may lead to positive results.

Confidence Rating for Caffeine's Ability to Decrease Fatigue

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 12 studies in the database on caffeine; the confidence rating is 240. 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.

Caffeine Dose to Decrease Fatigue

Dosage Frequency Daily Total Effectiveness Rating of Dosage
340.5mg once daily 340.5mg
169.5mg once daily 169.5mg
340.5mg once daily 340.5mg
408mg once daily 408mg

These dosages are based on body weight. The default value is 150 pounds. Enter your weight and click update to get appropriate dosages for your own body weight.


Title of Study
Caffeine increases performance in cross-country double-poling time trial exercise
Effect of Caffeine on Golf Performance and Fatigue during a Competitive Tournament
Effect of repeated caffeine ingestion on repeated exhaustive exercise endurance
Acute caffeine ingestion enhances strength performance and reduces perceived exertion and muscle pain perception during resistance exercise
Caffeine ingestion acutely enhances muscular strength and power but not muscular endurance in resistance-trained men
Effect of caffeine ingestion after creatine supplementation on intermittent high-intensity sprint performance
Energy Drink Doses Of Caffeine And Taurine Have A Null Or Negative Effect On Sprint Performance
Co-ingestion of caffeine and carbohydrate after meal does not improve performance at high-intensity intermittent sprints with short recovery times
Caffeine supplementation and multiple sprint running performance
Caffeine improves physical and cognitive performance during exhaustive exercise
The effects of different doses of caffeine on endurance cycling time trial performance
Physiological and cognitive responses to caffeine during repeated, high-intensity exercise