Guangdong Qingyunshan Pharmaceutical Co., Ltd.About Us369, Huanchengbei Road,Longxian, Wengyuan, Shaoguan, Guangdong ChinaGuangdong Qingyunshan Pharmaceutical is a GMP certificate enterprise, founded in 1989, located in Guangdong, China. We have production lines for plant extraction, granules, capsules and tablets. It is a government certified High-tech Enterprise integrating R&D, production and sales of plant extracts, functional foods health foods and drugs.Guangdong Qingyunshan Pharmaceutical Co., Ltd.About Us369, Huanchengbei Road,Longxian, Wengyuan, Shaoguan, Guangdong ChinaGuangdong Qingyunshan Pharmaceutical is a GMP certificate enterprise, founded in 1989, located in Guangdong, China. We have production lines for plant extraction, granules, capsules and tablets. It is a government certified High-tech Enterprise integrating R&D, production and sales of plant extracts, functional foods health foods and drugs.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Guangdong Qingyunshan Pharmaceutical Co., Ltd.Gua
Introduction of L-Theanine L-theanine (N-ethyl-L-glutamine) can be extracted from tea leaves or synthesized. The content of L-theanine from natural sources depends on where the tea plant is grown, harvest time and production method. Studies have shown that L-theanine can pass through the blood–brain barrier and has significant mental effects. It can improve learning, memory and cognitive functions, enhance selective attention; delay aging; anti-anxiety to optimize sleep quality, and may have a protective effect on chronic diseases, cardiovascular diseases, obesity and common colds.
Function of L-Theanine ·Anxiolytic ·Improve Concentration ·Improve Sleep Quality
Application of L-Theanine Food, Health Care Products, Daily Necessities, Cosmetics, Functional Drink.