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Taurine and Caffeine: study protocols

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

Taurine: what the research found →

Dose per serving from research: Taurine

6 study groups in 6 studies say how much Taurine participants took a day.

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

Most common: 1 g to 2.5 g, 50% of 6 study groups.

Daily doseStudy groups
250 mg or less
1
250 mg to 500 mg
0
500 mg to 1 g
0
1 g to 2.5 g
3
2.5 g to 5 g
2

Dose per serving from research: Caffeine

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

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

Most common: 100 mg to 250 mg, 60% of 5 study groups.

Daily doseStudy groups
50 mg to 100 mg
1
100 mg to 250 mg
3
250 mg to 500 mg
1

Commonly used together

3 of 7 study groups took Taurine and Caffeine with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Glucuronolactone
3

7 study groups

Study
Acute effects of energy drink consumption on microvascular reactivity in young male volunteers at rest: a randomized trial
2024 · Energy drink · Healthy men aged 18–35 years
100 mg80 mg1 day32
Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study
2022 · caffeine and taurine (CAF*TAU) · Elite male boxers; mean age 22.14 ± 1.42 years
3 g6 mg/kg1 day20
The Effects of Caffeine, Taurine, or Caffeine-Taurine Coingestion on Repeat-Sprint Cycling Performance and Physiological Responses
2017 · C + T (caffeine and taurine) · Seven male team-sport players
50 mg/kg5 mg/kg1 day7
Preexercise energy drink consumption does not improve endurance cycling performance but increases lactate, monocyte, and interleukin-6 response
2014 · energy drink (ED) · Trained male cyclists; mean age 33.4 years; condition not stated
2 g160 mg1 day—
Improved cycling time-trial performance after ingestion of a caffeine energy drink
2009 · Red Bull Energy Drink · Trained male and female cyclists; mean age 27.3 years
2 g160 mg1 day12
Cardio- and cerebrovascular responses to the energy drink Red Bull in young adults: a randomized cross-over study
2014 · Red Bull · Healthy adults aged 20–31 years, women and men, without reported cardiovascular disease or medication affecting cardiovascular or autonomic regulation
1.42 g114 mg1 day25
Comparison of the effects of energy drink versus caffeine supplementation on indices of 24-hour ambulatory blood pressure
2012 · Energy drink · Healthy, nonsmoking, normotensive volunteers aged 18–45 years
4 g320 mg1 day9
Taurine and Caffeine: study protocols | supp.fit