L-Theanine – Setu Nutrition icon
  • Mind


L-Theanine is the major amino acid found exclusively in green tea that has beneficial effects on brain metabolism. It acts by increasing brain serotonin and dopamine levels, which can improve memory and learning, and also stimulates alpha brain wave activity, which can promote relaxation, concentration, and deep REM sleep.

About the ingredient

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Let’s understand the science !

  • L-theanine helps to focus attention during cognitively demanding tasks and increases subjective alertness. Read more
  • L-theanine has the potential to promote mental health in the general population with stress-related ailments and cognitive impairments.Read more
  • L-theanine significantly increases activity in the alpha frequency band which indicates that it relaxes the mind without inducing drowsiness.Read more
  • The supplementation of L-theanine in its pure form at dosages between 200 and 400 mg/day may help reduce stress and anxiety acutely in people undergoing acute stressful situations. Read more

Let’s understand the science !

Here are all the Setu products with L-Theanine