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L-Tryptophan Supplements

As an amino acid, L-tryptophan (also known as tryptophan) is important for building proteins. The body also uses it to make:
 
Although it is found naturally in many foods, L-tryptophan can also be obtained through dietary supplements. These supplements are claimed to be useful for treating a variety of conditions, such as:
 
  • Depression
  • Anxiety
  • Premenstrual syndrome (PMS)
  • Attention deficit hyperactivity disorder (ADHD).
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However, more research is needed to prove the effectiveness of L-tryptophan for these uses. In addition, there is some concern that the supplements are not safe for public consumption, as they may cause a dangerous condition known as eosinophilia-myalgia syndrome (EMS).
 
(For more detailed information on this supplement, including why it was briefly banned in the United States in the early 1990s, click L-Tryptophan.)
 

L-Tryptophan Supplements

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