Theanine is L-Theanine is a non-protein amino acid mainly extracted from green tea leaf (Camellia sinensis O. Ktze). It inhibits glutamate transport into tumor cells, which causes decreased intracellular glutathione (GSH) levels. L-theanine is a nutritional supplement for mood modulation and can be used for its functions which increase dopamine and serotonin production, induces alpha-brain wave activity, which correlates with a perceived state of relaxation, helps curb a rising heart rate and blood pressure, and a few small human studies have found that it reduces anxiety, increases the activity of doxorubicin, idarubicin, pirarubicin, cisplatin, and irinotecan in tumor cells.


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Kingherbs Limited specializes in developing and manufacturing botanical extracts used in the Food, Beverage and Nutrition industry. This company mainly focuses on producing various kinds of extracts that include Artichoke Extract, Rosemary Extract, Banaba Leaf Extract, Stevia Leaf Extract, and more. Most of these ingredients are widely used in nutritional supplements for health benefits.


Kingherbs Limited

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