SunTheanine is a patented from of l-theanine that produces a highly pure grade of
theanine via the grean tea extraction process
http://www.taiyointernational.com/Sunthean...anine_Index.aspSuntheanine is protected by over 40 U.S. and international patents for its various physiological efficacies and L-isomer specific production processes.
Just remember "you get what you pay for" doesn't mean the generic version wont be as good, but you'll never know unless you compare.
Give a man[ a fish and he will eat for a day.
Teach a man[ to fish and he will eat for a lifetime.
- Confucius