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Phenylalanine

amino acid

capsule

Phenylalanine (PA) is the primary building block for neurotransmitters that promote alertness, a positive disposition, and, perhaps, pain relief.

According to several comparative studies, imipramine, one of the major antidepressant drugs, isn't as effective as PA.

A fair amount of research backs the use of PA to alleviate arthritis aches, back pain and menstrual cramps. It slows down the body's breakdown of endorphins and other natural painkillers, so their effect will last longer.

Some studies have concluded that L-Phenylalanine can promote skin repigmentation, helping to diminish the blotches caused by vitiligo.

  • Recommended Dosage

To overcome lethargy, depression, fatigue, pain or to supress appetite, try taking 250-1000mg before mealtime. If you don't notice a difference, match the dosage with Tyrosine before concluding that it doesn't work for you.

Warning: Individuals with PKU (phenylketnuria) or who are pregnant or nursing should not use this product.

Note that PA is capable of raising blood pressure or pulse rate.

DL-Phenylalanine, 750mg ;  FoodScience of Vermont®
SKU#D32886 Size 60, Capsules $12.69
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L-Phenylalanine, 500mg;  Thompson®
SKU#T19018 Size 30, Capsule $4.19
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L-Phenylalanine, 500mg; TwinLab®
SKU#212156 Size 60, Capsule $12.29
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DLPA (DL-Phenylalanine), 500mg; TwinLab®
SKU#212137 Size 60, Capsule $14.29
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