No supplement is intended to treat, cure, or prevent disease. Tyrosine is made in the body from another amino acid called phenylalanine. It is used in the body to make the catecholamines dopamine and ...

Discover why essential amino acids are crucial for health, who needs them most, signs of deficiency, and how to boost intake.

In a recent study, we used a dietary manipulation (acute tyrosine-phenylalanine depletion) to induce short-term decreases in levels of the neurotransmitter, dopamine, and we measured the resultant ...