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Pure Encapsulations



Item: PRN135 ● This item is excluded from all promotional offers

  • Supports mental acuity and emotional well-being

  • Combination of the well-tolerated essential amino acids: d-phenylalanine and l-phenylalanine

  • Vegetarian capsule 

90 Veg Caps

Usually Ships Within 3-4 Business Days
  • Supports mental acuity and emotional well-being

  • Combination of the well-tolerated essential amino acids: d-phenylalanine and l-phenylalanine

  • Vegetarian capsule 

Dl-Phenylalanine from Pure Encapsulations offers the combination of the well-tolerated essential amino acids, d-phenylalanine and l-phenylalanine. Together, these compounds promote mental functioning, support a positive outlook and relax the musculoskeletal system. l-Phenylalanine is a precursor to tyrosine, which converts to the neurotransmitters norepinephrine, epinephrine, dopamine and tyramine. Tyrosine and its metabolites may support emotional well-being, memory and learning. d-Phenylalanine may promote the levels of certain endorphins, thereby calming muscles and joints.

Terms and Ingredient Definitions

Supplement Facts

serving size 1 capsule

servings per container 90

  amount per serving % daily value
dl-phenylalanine (free-form) 500 mg *
ascorbyl palmitate(fat-soluble vitamin C) 10 mg *

*daily value not established

other ingredients: vegetarian capsule (cellulose, water)

Recommendations: As a dietary supplement, take 4-6 capsules daily, in divided doses, between meals.


Tamper Resistant: Use only if safety seal is intact.

Warning: If pregnant, consult your physician before taking this or any other product.

Keep out of the reach of children.

  • Sourced and manufactured to avoid:†
    • Artificial Additives
    • Allergens
    • GMOs
    • Environmental Contaminants
    • Added Excipients
    • †See Ingredients Panel for more information
  • hypo-allergenic dietary supplement
  • recyclable packaging

Shipping Weight

.21 lbs

Pure Encapsulations dl-Phenylalanine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Pure Encapsulations dl-Phenylalanine

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

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