L-Tryptophan-Swanson.jpg
L-Tryptophan-Swanson.jpg

L-Tryptophan Swanson - 60Caps

14.90 €
14.90 €
  • serotonin precursor
  • Sleep
  • Depression and anxiety
Essential amino acid, precursor of the hormones serotonin (happiness hormone), and melatonin (sleep hormone). Voir plus
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L-Tryptophan-Swanson.jpg

L-Tryptophan Swanson - 60Caps

14.90 €
L-Tryptophan-Swanson.jpg

L-Tryptophan Swanson - 60Caps

14.90 €
Description
Product Description

What is it?


L-tryptophan is an essential amino acid. The body cannot synthesize this amino acid on its own, so it must be provided through food. L-tryptophan is found in animal and vegetable proteins. The "L-tryptophan" form is that which is naturally found in the body and which exerts physiological actions.
L-Tryptophan is a metabolic precursor of 5-hydroxytryptamine, better known under the name of serotonin (see reference 1).
In the serotonin biosynthesis pathway, 5-HTP is an intermediate of this pathway since it is synthesized from L-tryptophan.

Serotonin biosynthetic pathway
There are other derivatives of tryptophan, such as niacin (vitamin B3) (see reference 2).
What science says about tryptophan:

➪ Tryptophan and sleep: Reference 3 - Reference 4- Reference 5 - Reference 6


➪ Tryptophan and depression/anxiety: Reference 7 - Reference 8 - Reference 9


Current European regulations prevents communication on the benefits of tryptophan supplementation. We invite you to visit the Pubmed scientific database to find out more.


Nutritional Information


Other ingredients: gelatin, rice flour, magnesium stearate.


Dosage: 500mg to 1000mg of tryptophan to be taken between meals, in the evening at bedtime


For people living a vegetarian diet, you can use the product 5-HTP which is a metabolite naturally produced by the body from L-tryptophan. 5-HTP comes from the seed of Griffonia simplicifolia

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