L-Tryptophan is an essential amino acid and a main building block of protein. Like other amino acids, L-Tryptophan is one of the building blocks of protein, but unlike some amino acids, L-Tryptophan is considered essential because the body cannot manufacture its own. L-Tryptophan plays many roles in animals and humans alike, but perhaps most importantly, it is an essential precursor to a number of neurotransmitters in the brain. As such, L-Tryptophan is the only substance normally found in the diet that can be converted into serotonin. Since serotonin, in turn, is converted in the brain into melatonin, L-Tryptophan clearly plays a role in balancing mood and sleep patterns.




Jizhou Huaheng Group is focused on the processing, developing, and selling of Amino Acids.Their main products include Glycine, Food and pharmaceutical grade Glycine; L—Lysine mono hydrochloride, DL—Methionine, L—Treonine, L-Glutamine acid, L-Cysteine Hydrochloride and L- and DL—Alanine. Jizhou Huaheng Group also offers vitamins and sweeteners.


Jizhou Huaheng Biological Technology

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