Effectiveness Rating for Caffeine's Ability to Improve Muscular Endurance

The effectiveness rating is a measure of how well caffeine is able to improve muscular endurance. The overall rating for this claim is 1.6 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Caffeine to improve muscular endurance may lead to positive results.

Confidence Rating for Caffeine's Ability to Improve Muscular Endurance

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 8 studies in the database on caffeine; the confidence rating is 160. 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 Improve Muscular Endurance

Dosage Frequency Daily Total Effectiveness Rating of Dosage
340.5mg once daily 340.5mg
300mg once daily 300mg

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
The effects of supplementation with P-Synephrine alone and in combination with caffeine on resistance exercise performance
Acute caffeine ingestion enhances strength performance and reduces perceived exertion and muscle pain perception during resistance exercise
Acute Specific Effects of Caffeine-containing Energy Drink on Different Physical Performances in Resistance-trained Men
The acute effects of a caffeine-containing supplement on strength, muscular endurance, and anaerobic capabilities
Acute ingestion of sugar-free red bull energy drink has no effect on upper body strength and muscular endurance in resistance trained men
Caffeine ingestion acutely enhances muscular strength and power but not muscular endurance in resistance-trained men
The effect of ephedra and caffeine on maximal strength and power in resistance-trained athletes
Effects of Coffee and Caffeine Anhydrous Intake During Creatine Loading