D-Tryptophan

Payment Type: L/C,T/T,D/P,D/A

Basic Info

Nutrient Composition: Amino Acid

Resource: Chemosynthesis

The content of active substances: >90%

Additional Info

Transportation: Ocean,Air

Place of Origin: China

Product Description

Tryptophan is one of the 22 standard amino acids and an essential amino acid in the human diet. It is needed to prevent illness or death, and it therefore must be part of their diet.


Tryptophan is sold as a dietary supplement for use as an antidepressant, anxiolytic, and sleep aid.

In addition, tryptophan functions as a biochemical precursor for serotonin, niacin and auxin.

Contact Person: Alan

Phone:86-25-51817989

Fax:86-25-51817760

Address: Floors 21&22, Jin Cheng Tower, No. 216 Middle Longpan Road,Nanjing,Jiangsu

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