Theanine is a special kind of amino acid contained in tea, which accounts for about 50% of the total amount of free amino acids in tea. At present, it has been confirmed that theanine has a variety of physiological functions, such as the effects of theanine on anti-aging, soothing nerve tension, improving memory, delaying exercise fatigue, and improving sleep.
Qingdao Hosun Biological Technology Co., Ltd.is a high-tech enterprise which has been engaged in the research and development,Website:, production and sales of natural plants for many years.
We can provide various standard extracts, proportional extracts and natural plant monomers, plant powders. Stable high quality, reasonable price, quick availability, high quality service, and strong r&d capability can meet your various needs.
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Hosunbio is a professional manufacturer of the plant extracts, strong technical force, advanced equipment, complete testing facilities, product quality and cheap, welcome the new and old customers choose and buy, and provide phytochemistry foreign product processing and testing service.