Green tea is a nutritious and antioxidant-rich drink. The findings of a recent study also suggest that the consumption of green tea not only helps prevent obesity but also improves gut health to reduce leaky gut. The study was published in the Journal of Nutritional Biochemistry and conducted by researchers from Ohio State University (OSU), as previously noted. Here Zoey Sky, NaturalNews.com, reflects on supplements for better health and five evidence based benefits of L-theanine:

“Have you ever wondered why a cup of green tea helps you feel calm after a stressful day? You can thank an amino acid called L-theanine for that. But how exactly does L-theanine relieve stress and anxiety?

L-theanine for better mental health

L-theanine is a potent amino acid that’s naturally found in green tea. Black tea and oolong tea also contain L-theanine in smaller doses. Besides drinking tea, you can boost your intake of L-theanine by taking supplements.

L-theanine, or theanine, functions like gamma-aminobutyric acid (GABA) and other neurotransmitters that help relax the brain without triggering a sedative response.

Here are five scientifically-proven reasons to consume green tea, a natural source of L-theanine.

It helps relieve anxiety and stress

Studies suggest that L-theanine can help with anxiety and promote relaxation.

According to a 2007 study published in the journal Biological Psychology, L-theanine can help reduce your body’s stress response (e.g., increased heart rate) by decreasing the activity of the sympathetic nervous system, more commonly known as the “fight or flight” response.

Keep in mind, however, that L-theanine isn’t effective if you’re already in an anxious state.

It improves mental alertness

L-theanine affects your brain’s alpha frequency band and boosts your mental alertness. This interaction makes you feel alert and relaxed, minus the jitters associated with coffee.

Surprisingly, when L-theanine in black or green tea is combined with caffeine, its effects can be easily felt within 30 minutes. So if you need a brain boost but hate the coffee jitters, sip a calming mug of green tea instead.

It improves sleep quality

While L-theanine can’t make you feel sleepy, it can help you fall asleep faster by calming the part of your brain associated with restlessness, anxiety and stress. (Related: Have you heard of l-theanine? This compound is crucial for improving brain health and mental well-being.)

L-theanine helps calm your mind and allows your body to naturally revert into a state of rest. L-theanine can also benefit those with hyperactivity issues such as attention-deficit hyperactivity disorder (ADHD).

It strengthens your immunity

Chronic stress can weaken your immune system and make you more susceptible to illness and infection. This is because stress downregulates certain immune cells and activates other cells.”

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