A study was conducted in male children (8 to 15 years) with ADHD. L-theanine improved total cognition compared to a placebo (an inactive substance). Both L-theanine alone and an L-theanine ...

L-theanine influences neurotransmitters that ... These include having young children, caring for people who are chronically ill, or working late shifts. Consider talking with your healthcare ...

L-theanine is an amino acid found in tea. Although L-theanine is associated with several health benefits, no research confirms if it is effective in treating bipolar disorder. L-theanine is a ...