DL-Phenylalanine, 500mg – 100 caps

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An amino acid supplement for specialized dietary support
Plays a key role in neurotransmitter function
500 mg per capsule

Get a nutritional boost with Swanson DL- Phenylalanine (DLPA)! A great source of amino acid precursors for neurotransmitters that support brain health, DL-Phenylalanine is an essential amino acid that cannot be made in the body and must be supplied by food.