L-Tryptophan 500 mg - NOW foods

ManufacturerNOW Foods

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L-Tryptophan is an essential amino acid crucial for the production of serotonin and melatonin. These have a positive effect on our mood and ensure optimal healthy sleep. The product in the form of capsules does not contain any animal substances, so it is also suitable for vegans.

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L-Tryptophan - an essential amino acid in the form of vegan capsules

L-Tryptophan is an essential amino acid that is a precursor of serotonin and melatonin. Serotonin, also called the "happiness hormone", has a positive effect on our mood. In addition, it has an effect on memory, sleep or digestion. Melatonin, a "sleep hormone", in turn, helps reduce the time it takes to fall asleep, while alleviating feelings of fatigue after a long flight to a different time zone (jet lag). The product does not contain any animal components and is therefore also suitable for vegans.  


L-Tryptophan and its benefits 

  • essential amino acid
  • precursor of serotonin and melatonin
  • supports good mood and healthy sleep
  • in the form of capsules
  • suitable for vegans            



Hypromellose (cellulose capsule), stearic acid (plant source) and magnesium stearate (plant source).



Take 1-2 capsules 2- to 3 times a day on an empty stomach.


Table of nutritional values

Nutritional values1 portion  (2 caps)
L-tryptophan (free form) 1000 mg



Not suitable for children, pregnant and breastfeeding women. Talk to your doctor before taking it, especially if you are taking medicines (antidepressants such as SSRIs and MAOIs) or if you have any medical problems. May cause drowsiness. Do not use with alcohol or when operating heavy machinery. Keep out of reach of children.

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