L-Theanine: The Natural Relaxant for Mind and Body

L-Theanine is an amino acid primarily found in green tea. This article explores the effectiveness of L-Theanine in reducing stress, promoting relaxation, and improving mental well-being.

Why L-Theanine is Effective:

L-Theanine influences various neurotransmitters and brain waves, producing calming effects without causing drowsiness. Here’s a closer look at its bioactive properties:

  1. Neurotransmitter Modulation: L-Theanine increases the levels of several neurotransmitters, including GABA, serotonin, and dopamine. GABA is an inhibitory neurotransmitter that promotes relaxation, serotonin regulates mood, and dopamine contributes to feelings of pleasure and well-being. By enhancing the production of these neurotransmitters, L-Theanine helps reduce anxiety and stress.

  2. Alpha Brain Waves: L-Theanine has been found to increase alpha brain wave activity. Alpha waves are associated with a relaxed, yet alert, mental state. By promoting alpha wave production, L-Theanine induces a state of calm focus and improves cognitive performance.

  3. Stress Response Regulation: L-Theanine affects the levels of cortisol, a hormone released in response to stress. It helps regulate cortisol production, preventing excessive elevation during stressful situations. By modulating the stress response, L-Theanine can help attenuate anxiety and promote a sense of tranquility.

These bioactive properties of L-Theanine contribute to its stress-reducing effects.


Studies Supporting the Effectiveness of L-Theanine:

Numerous studies have demonstrated the stress-reducing and relaxation-promoting effects of L-Theanine. For example, a study by Higashiyama et al. (2011) found that L-Theanine intake resulted in a significant reduction in anxiety and physiological responses to stress.


All Day Calm’s Proprietary Blend:

All Day Calm incorporates L-Theanine as one of the key ingredients in its proprietary blend. L-Theanine, along with passion flower, valerian root, magnesium aspartate, folic acid, and pyridoxal phosphate, is thoughtfully combined to work synergistically in promoting natural stress relief and supporting overall well-being.



  1. Higashiyama A, et al. (2011). Effects of L-Theanine on attention and reaction time response. Journal of Functional Foods, 3(3), 171-178.

All Day Calm™ combines several natural scientifically-proven ingredients to quicly and effectively reduce anxiety, calm nerves, minimize stress, and combat panic attacks. Our scientifically-formulated once-daily tablet can transform your mental state and put you back in control. If you are looking for an alternative to expensive prescription medications, give All Day Calm™ a try. The ingredients are clinically proven to lower anxiety, alleviate chronic stress, and reduce panic attacks.

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