L-Tyrosine, Essential Amino Acids and Phenylalanine: study protocols
4 study groups took L-Tyrosine together with Essential Amino Acids and Phenylalanine. These are the doses the studies gave. They are not a recommendation.
Fewer than 5 study groups in one unit match, too few to draw the chart.
Commonly used together
1 of 4 study groups took L-Tyrosine, Essential Amino Acids and Phenylalanine with something else, but nothing that 3 or more different studies gave.
4 study groups
| Study | |||||
|---|---|---|---|---|---|
| Age moderates the effect of acute dopamine depletion on passive avoidance learning 2015 · balanced/control amino acid beverage · Healthy adults aged 22–40 years, women and men, without a current psychiatric or neurological diagnosis | 5.2 g | — | 4.3 g | 1 day | 16 |
| Reliance on habits at the expense of goal-directed control following dopamine precursor depletion 2012 · BAL drink · Healthy men and women aged 19–49 without the listed psychiatric, neurological or major medical conditions | 12.5 g | 87.5 g | 12.5 g | 1 day | 14 |
| The subjective and cognitive effects of acute phenylalanine and tyrosine depletion in patients recovered from depression 2005 · BAL balanced amino-acid mixture · Adults aged 24–55 years, men and women, recovered from at least one major depressive episode | 12.5 g | 115 g | 12.5 g | 1 day | 17 |
| Protein to Maximize Whole-Body Anabolism in Resistance-trained Females after Exercise 2019 · randomized test protein intake · Resistance-trained females, mean age 23 years, studied during the luteal phase after whole-body resistance exercise | 40 mg/kg | — | 30.5 mg/kg | 1 day | 8 |