D-phenylalanine is a non-protein amino acid related to the essential amino acid L-phenylalanine. D- and L-phenylalanine are structural mirror images of each other. A small amount of D-phenylalanine may be converted to L-phenylalanine in the body. D-phenylalanine is reported to inhibit an enzyme that degrades enkephalins, which are naturally occurring substances in the body that belong to the class of compounds known as "endorphins."
Best D-Phenylalanine Suggested Use
Take 1 to 2 capsules daily, between meals.
Best D-Phenylalanine Ingredients/Supplement Facts
Supplement
Facts
Servings Size: 1 capsule
Servings per Container: 60 servings
Does Not Contain: milk, egg, wheat, gluten, corn, soy, sugar, sweeteners, starch, salt, or preservatives.
†: Daily value not established.
Best D-Phenylalanine Warning
Phenylalanine supplements should not be taken by individuals with phenylketonuria (PKU), children, pregnant or lactating women, people with high blood pressure, and anyone taking anti-psychotic medications or MAO inhibitors.
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Best D-Phenylalanine Description
