Category Archives: L-tryptophan

Is Tryptophan an Antidepressant?

Depressive disorder is not fully understood. However, generally stress is considered a trigger for the development of depressive disorder. The stress is thought to cause changes to the metabolism of the brain, perhaps through the action of cortisol. This can … Continue reading

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Tryptophan Depletion and Depression

Dietary tryptophan is required for the synthesis of serotonin in humans. Evidence suggests that changes to the blood level of tryptophan can alter the synthesis rates of serotonin and that this may in turn change the mood of the individual. … Continue reading

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Tryptophan Metabolism, Immunity and Depression

L-tryptophan is an essential amino acid for human nutrition. L-tryptophan is used in the important biosynthetic pathway for the creation of the neurotransmitter serotonin. L-tryptophan concentration in blood have been observed to fall during the periods where the immune system … Continue reading

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More on Protein, L-Tryptophan and Depression

Stress is thought to increase the risk of depression because it causes brain changes that lead to an inadequate supply of certain neurotransmitters, particularly serotonin. One strategy to treat depression revolves around attempting to increase the availability of serotonin, either … Continue reading

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Do High Protein Diets Decrease Anxiety?

High protein diets have been shown to have a number of health benefits. One of these benefits may be an improvement in mental health. For example, in one study researchers fed a group of rats with either low (8 %), … Continue reading

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Dietary Tryptophan as a Treatment For Anxiety

Anxiety may be caused in some cases by dysfunctional serotonin synthesis. Increasing dietary intake of tryptophan may be a useful strategy in the treatment of anxiety because tryptophan is converted into serotonin. Supplemental tryptophan has been shown to increase brain … Continue reading

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Why Do Carbohydrate Foods Make You Tired?

Many people are aware that high carbohydrate foods can make them drowsy. The reason for this is well understood and relates to the way that carbohydrate foods cause the release of insulin. Insulin is a hormone that is responsible for … Continue reading

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Tryptophan And Depression

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Chromium As A Treatment for Depression

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

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L-Tryptophan: The Blood Brain Connection

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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