L-theanine is the predominant amino acid derived from green tea, the main component responsible for the taste of green tea.Reducing stress, improving the quality of sleep,diminish normal syptoms of PMS, heightening mental acuity and reducing negative side effects of caffeine.
Soluble in water at 25℃,insoluble in anhydrous alcohol and low polarity organic solvent such as ethyl acetate, chloroform etc.
Natural unique anxiety reducer;
Improving cognition and mood in a synergistic matter with caffeine.
L-theanine 20%~98%(HPLC method)
Recommendatory volumes of usage: