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Phenylalanine Benefits

What is Phenylalanine?

Phenylalanine is an amino acid that cannot be produced by the body. It must be ingested through food intake or supplements, and is one of the building blocks of proteins. These proteins make up the majority of your enzymes, blood and muscles. Some foods that contain phenylalanine include meats, eggs, legumes, seeds and nuts. Many foods contain this amino acid, but some only in minute amounts.


L-Phenylalanine is one of two chemical forms of Phenylalanine, the other being D-Phenylalanine. These amino acids are necessary for the overall health of the human body. Once in the body, these amino acids are transformed into another amino acid, tyrosine. Tyrosine is then converted into key neurotransmitters, dopamine, norepinephrine, and epinephrine. These are chemicals that transmit signals between nerve cells.

Benefits of Phenylalanine

Key benefits of Phenylalanine include treatment of alcohol withdrawal symptoms, depression, arthritis and Parkinson's disease. It has also been linked with successful treatment of ADHD (Attention deficit hyperactivity disorder), recovery from methamphetamine addiction and chronic pain.

Phenylalanine provides nutritional benefits and is essential for building protein in the body.

Phenylalanine Bodybuilding

Because Phenylalanine is essential for the synthesis of proteins, it is necessary for building a healthy, strong body. Amino acids make up the greatest portion of body weight, and make up our muscles, tendons, ligaments, body organs and glands. Without them, the body would not function.

Phenylalanine, and all amino acids, are responsible for healthy muscles. They also help regenerate damaged muscle tissue, often caused by strenuous sports and activities that require endurance, such as bodybuilding.

Phenylalanine Supplement

Phenylalanine supplements are the only way you can get the necessary amounts of amino acids other than through the foods you eat. If you are an athlete or bodybuilder who trains regularly, you need more of these amino acids to help increase stamina and energy.

Phenylalanine supplements can be purchased at most health foods stores. They can also be found online. If you perform regular athletic or bodybuilding activity, the use of a supplement is highly recommended.

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