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Doctor’s Best 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.
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.
Non-GMO/ Gluten Free/ Soy Free/ Vegan/ Vegetarian
Take 1 capsules daily on an empty stomach at least 20 minutes before meals‚ or as recommended by a nutritionally informed physician. To ensure optimal phenyl-alanine absorption, avoid taking other amino acid supplements within 2-3 hours of consumption.
Phenylalanine supplements should not be taken by children‚ pregnant, nursing, individuals with phenylketonuria (PKU), high blood pressure‚ taking anti-psychotic medications or MAO inhibitors.Consult your physician before use. Store in a cool, dry place.
* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.