Age and past medical history may also influence how much sleep you need. Consult your healthcare provider to determine the appropriate dose for you. L-theanine: Take L-theanine 30 to 60 minutes ...

improve sleep quality, and reduce waking up during the night. L-theanine doesn't cause side effects, even at higher doses. However, you should avoid L-theanine if you're taking medication for high ...

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 ...