Grandma's Phenylalanine
Essential Amino Acid Guide

Phenylalanine is an essential amino acid. Once in the body, it can be converted into another amino acid, tyrosine, which in turn is used to synthesize two key neurotransmitter that promote alertness: dopamine and norepinephrine.

Because of its relationship to the action of the central nervous system, this amino acid can help and treat: elevate mood

  • decrease pain
  • aid in memory and learning
  • suppress the appetite
  • treat arthritis
  • depression
  • menstrual cramps
  • migraines
  • obesity
  • Parkinson's disease
  • schizophrenia

  • Phenylalanine Available in Three Forms

    This essentail amino acid is available in three different forms, designated L-, D-, and DL-. The L- form is the most common type, and is the form in which phenylalanine is incorporated into the body's proteins. The D- type acts as a painkiller. The DL- form is a combination of the arthritis, like the L-form, it functions as a building block for proteins, increases mental alertness, suppresses the appetite, and helps people with Parkinson's disease. It has been used to alleviate the symptoms of premenstrual syndrome (PMS) and various types of chronic pain.

    Supplemental phenylalanine should not be taken by pregnant women or by people who suffer from anxiety attacks, diabetes, high blood pressure, phenylketonuria (PKU), or preexisting pigmented melanoma, a type of skin cancer.


    The statement's made here have not been approved by the Food and Drug Administration. These statements are not intended to diagnose, treat or cure or prevent any disease. This notice is required by the Federal Food, Drug and Cosmetic Act.


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