Doctor's Best D-Phenylalanine 500 mg

Selection: 60 Veggie Caps
Sale price$28.49

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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

Suggested Use:

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.

Supplement Facts:

Serving Size: 1 Capsule

Servings Per Container: 60

Amount Per Serving ... % DV

D-Phenylalanine ... 500 mg ... †

†Daily Value not established.

Other Ingredients:

Modified cellulose (vegetarian capsule)‚ cellulose‚ magnesium stearate (vegetable source).


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.

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