L-tyrosine is used in supplements to help improve cognitive function during stress. People with PKU may need L-tyrosine supplements alongside a low-phenylalanine diet. L-tyrosine supplements are often ...

L-tyrosine, also simply known as tyrosine, is an amino acid and a building block our bodies use to produce protein. Though our bodies make tyrosine from another amino acid called phenylalanine, it has ...

Abby Grimm, RD is a registered dietitian with FWDFuel. While a lot goes into how we feel, there is one powerful amino acid called L-tyrosine that could help increase happiness, improve memory, and ...