Creatine and Caffeine: study protocols

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

Creatine: what the research found →

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 dose	Study 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 8 study groups took Creatine and Caffeine with something else, but nothing that 3 or more different studies gave.

8 study groups

Study
Effect of caffeine ingestion after creatine supplementation on intermittent high-intensity sprint performance 2011 · CRE + CAF · Physically active men	300 mg/kg	—	5 days	12
Opposite actions of caffeine and creatine on muscle relaxation time in humans 2002 · Cr+Caf · healthy male volunteers	20 g	5 mg/kg	4 days	10
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	100 mg/kg	3 mg/kg	6 weeks	9
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	2 g	284 mg	8 weeks	27
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	2 g	284 mg	8 weeks	26
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	2 g	284 mg	1 day	25
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	2 g	284 mg	1 day	25
Caffeine counteracts the ergogenic action of muscle creatine loading 1996 · Cr+C · healthy male volunteers	500 mg/kg	5 mg/kg	6 days	9

CreCafCreatine and Caffeine: study protocols

Dose per serving from research: Creatine

Commonly used together

Creatine and Caffeine: study protocols