Category: amino acids  Publish Time: 2013-07-12 15:20 

L-tryptophan is an essential amino acid because the body can't make it. It must be acquired from food, such as animal and plant proteins. L-Tryptophan is also a precursor to the neurotransmitter serotonin and the hormone melatonin. People use L-tryptophan for some mental health disorders, to help quit smoking, for athletic performance, and for emotional symptoms in people with premenstrual dysphoric disorder, relax anxiety and depression. As the manufacturer and supplier of l-tryptophan, we provide feed grade, food grade and drug grade.

Product: L-Tryptophan

CAS NO.: 73-22-3

Molecular Formula:  C11H12N2O2

Molecular Weight: 204.23

 AJI92 Quality Standard 

USP30 Quality Standard 


Feed Grade 

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