Why do people take tyrosine?
Tyrosine is a treatment for people with a rare genetic disorder called PKU.
As a supplement, tyrosine may help people who are tired because of lack of sleep, some research suggests. It seems to make them more alert.
There's no standard dose for tyrosine. Ask your doctor for advice.
Can you get tyrosine naturally from foods?
Tyrosine is in meats, fish, dairy products, eggs, oats, wheat, beans, and nuts.
What are the risks?
Supplements are not regulated by the FDA in the same way that food and drugs are. The FDA does not review these supplements for safety or efficacy before they hit the market.