Category Archives: L-tryptophan

Tryptophan And Depression

Posted on December 28, 2019 by Robert Barrington
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Chromium As A Treatment for Depression

Posted on January 31, 2019 by Robert Barrington

Chromium is an essential trace mineral required for human health. Current studies suggest that the chromium intake of Western countries is too low and many individuals are at risk of subclinical deficiencies. This relates to the poor quality of the … Continue reading →

Posted in Anxiety, Chromium, Depression, Insulin, L-tryptophan, Mood, Serotonin | Comments Off on Chromium As A Treatment for Depression

L-Tryptophan: The Blood Brain Connection

Posted on August 16, 2018 by Robert Barrington

L-tryptophan is an essential amino acid. This means that the body cannot synthesis the amino acid, and so a dietary source must be provided for life to proceed. L-tryptophan has a number of interesting functions, one of which is its … Continue reading →

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Can you Control Anxiety With Diet?

Posted on March 6, 2018 by Robert Barrington

The modern Western World appears to have created an epidemic of anxiety. This likely relates to the hectic nature of our existence, something which many are not able to cope with over the long term. Anxiety is difficult to define, … Continue reading →

Posted in 5-Hydroxytryptophan, Anxiety, L-tryptophan, Stress, Valerian | Comments Off on Can you Control Anxiety With Diet?

Are Low L-Tryptophan Levels a Cause of Aggression?

Posted on December 15, 2016 by Robert Barrington

L-tryptophan is an essential amino acid required for normal human metabolic regulation. There is current interest in L-tryptophan because it has been shown that low levels of plasma tryptophan may be involved in the development of depression. This relates to … Continue reading →

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L-Tryptophan for Sleep

Posted on August 8, 2016 by Robert Barrington

Insomnia is a common problem for adults in Western society. This is surprising because modern life is hectic and tiring and therefore it would be expected that sleep should not be a problem with such a lifestyle. However, increasingly insomnia … Continue reading →

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Insomnia and L-Tryptophan Depletion

Posted on August 3, 2016 by Robert Barrington

L-tryptophan is an an essential amino acid required for the production of serotonin in the neurones of the brain. In this role, tryptophan crosses the blood brain barrier and is converted to 5-hydroxytryptophan by the enzyme tryptophan hydroxylase, also the … Continue reading →

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Abnormal Tryptophan Metabolism Associated With Mental Disorder

Posted on July 12, 2016 by Robert Barrington

Tryptophan is an essential amino acid that fulfils two main roles in human nutrition. Firstly, tryptophan can be converted to niacin, a member of the B vitamin family of vitamins and dietary tryptophan is therefore an important source of niacin … Continue reading →

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L-Theanine and L-Tryptophan for Anxiety

Posted on June 5, 2016 by Robert Barrington
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Foods to Boost Serotonin?

Posted on May 1, 2016 by Robert Barrington
Posted in 5-Hydroxytryptophan, Anxiety, Depression, L-tryptophan, Serotonin | Comments Off on Foods to Boost Serotonin?