Tyrosine is an amino acid. It helps
make neurotransmitters such as dopamine, norepinephrine, and epinephrine. It helps
hormones such as thyroxine. And it helps make melanin. Amino acids are available as
single amino acids or in amino-acid combinations. They also come as part of
multivitamins, proteins, and food supplements. The forms include tablets, fluids,
By eating enough protein in your
diet, you get all the amino acids you need.
People with phenylketonuria (PKU)
may need to take tyrosine supplements. This is because they are not able to turn
phenylalanine into tyrosine.