L-Tyrosine and Caffeine: study protocols
5 study groups took L-Tyrosine together with Caffeine. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: L-Tyrosine
5 study groups in 3 studies say how much L-Tyrosine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mg to 500 mg, 100% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mg to 500 mg | 5 |
Dose per serving from research: Caffeine
5 study groups in 3 studies say how much Caffeine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mg to 500 mg, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 1 |
| 50 mg to 100 mg | 0 |
| 100 mg to 250 mg | 0 |
| 250 mg to 500 mg | 4 |
Commonly used together
5 of 5 study groups took L-Tyrosine and Caffeine with something else, but nothing that 3 or more different studies gave.
5 study groups