Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Athletic Contains more than 20 useful

Contains more than 20 useful ingredients for both mother and child

including as for occasional constipation relief

For children (age 4 & up)

brain and neurons

Please Note: This product is berry flavored and varies between cherry and strawberry

Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Athletic Contains more than 20 usefulDescription Phenylalanine supplementation helps in the production of healthy neurotransmitters (dopamine, norepinephrine and epinephrine). Clinical trials suggest it may promote positive moods. Phenylalanine is an essential amino acid, which means your body can't produce sufficient amounts and requires it from an external source. It's converted to L tyrosine in the liver, which is then converted into dopamine, norepinephrine and epinephrine