Phenylalanine is a form of amino acid that is essential which means the body creates some amount of it but does not produce enough required amount which means it needs to be complemented through food intake.
Is Phenylalanine Bad for You?

Phenylalanine is a form of amino acid that is essential which means the body creates some amount of it but does not produce enough required amount which means it needs to be complemented through food intake.