Supplements containing L-tyrosine supplements may also help treat phenylketonuria (PKU). Your body uses L-tyrosine (also known as tyrosine) to produce dopamine and norepinephrine. These ...

“L-tyrosine is a precursor to dopamine, the neurotransmitter that aids in motivation, mood regulation, and pleasure,” says ...

What are the health benefits, and risks, of l-tyrosine? Don’t get overly excited by the social media hype. Research on L-tyrosine shows some promise, but more research needs to be done.