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Caffeine and Creatine: study protocols

7 study groups took Caffeine together with Creatine. These are the doses the studies gave. They are not a recommendation.

Caffeine: what the research found →

Fewer than 5 study groups in one unit match, too few to draw the chart.

Dose per serving from research: Creatine

5 study groups in 3 studies say how much Creatine participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 1 g to 2.5 g, 80% of 5 study groups.

Daily doseStudy groups
1 g to 2.5 g
4
2.5 g to 5 g
0
5 g to 10 g
0
10 g to 25 g
1

Commonly used together

4 of 7 study groups took Caffeine and Creatine with something else, but nothing that 3 or more different studies gave.

7 study groups

Study
Opposite actions of caffeine and creatine on muscle relaxation time in humans
2002 · Cr+Caf · healthy male volunteers
5 mg/kg20 g4 days10
Effects of Creatine and Caffeine Supplementation During Resistance Training on Body Composition, Strength, Endurance, Rating of Perceived Exertion and Fatigue in Trained Young Adults
2022 · CR-CAF (creatine and caffeine) · Trained young adults; mean age 22 ± 4 years; sex not specified
3 mg/kg100 mg/kg6 weeks9
Effects of ingesting a pre-workout dietary supplement with and without synephrine for 8 weeks on training adaptations in resistance-trained males
2017 · PWS · Apparently healthy, resistance-trained males; mean age about 21 years
284 mg2 g8 weeks27
Effects of ingesting a pre-workout dietary supplement with and without synephrine for 8 weeks on training adaptations in resistance-trained males
2017 · PWS + S · Apparently healthy, resistance-trained males; mean age about 22 years
284 mg2 g8 weeks26
Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance
2017 · PWS · Resistance-trained healthy adults; 20 men and 5 women, mean age 21.7 years
284 mg2 g1 day25
Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance
2017 · PWS + S · Resistance-trained healthy adults; 20 men and 5 women, mean age 21.7 years
284 mg2 g1 day25
Caffeine counteracts the ergogenic action of muscle creatine loading
1996 · Cr+C · healthy male volunteers
5 mg/kg500 mg/kg6 days9
Caffeine and Creatine: study protocols | supp.fit