Phenylalanine is an amino acid, which are the building blocks of proteins in your body.
It comes in two forms, L-phenylalanine and D-phenylalanine.
They’re nearly identical but have a slightly different molecular structure.
L-form can be found in foods and used to produce proteins in your body.
D-form can be synthesized for use in certain medical applications.
Your body is unable to produce enough L-phenylalanine on its own, therefore this essential amino acid must be obtained through your diet.
It can found in a wide variety of foods, both plant and animal sources.
Alternatively, take D-Phenylalanine supplements to help supports your mood.

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