Tyrosine is an amino acid that the body makes from a different amino acid called phenylalanine. Foods that contain phenylalanine include soy, chicken, milk, sesame seeds, and lima beans. Tyrosine may ...

People with phenylketonuria cannot break down a substance in food called phenylalanine. Following a phenylketonuria diet is the main treatment for preventing serious symptoms. People with ...

Phenylalanine ammonia-lyase (PAL) stands as a pivotal enzyme in the phenylpropanoid pathway, initiating the conversion of L-phenylalanine into trans-cinnamic acid. This gene family underpins the ...

Phenylalanine is an essential amino acid (building block of protein) that the body doesn't produce, meaning it must be obtained through food. It is found in protein-rich foods. Your body uses ...