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 ...

ADHD is a neurodevelopmental disorder that shows ... Sleep Prime’s unique blend of ingredients, including Melatonin, Chamomile, and L-Theanine, promotes deep and rejuvenating sleep.

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 ...