[NietTim]

Hey! I've been taking L-Theanine for the past month. It feels to me like I've been waking up with a clearer mind, but it's super hard to know if that's form the l-theanine or just in general the change in the weather. So many variables.

[chrisrxth]

Indeed it's difficult to tell - exactly the reason why a double-blinded trial on yourself can help you determine if it's making a significant difference or not :)