L-Theanine: The Natural Depression Fighter

Depression: A state of feeling sad. A serious medical condition in which a person feels very sad, hopeless, and unimportant and often is unable to live in a normal way.

Major depressive disorder affects approximately 14.8 million American adults, or about 6.7 percent of the U.S. population age 18 and older, in a given year.

I personally have been battling with depression for a good part of my life.
I remember every month (sometimes every two or three weeks) having to go
see my psychiatrist. We would talk for a whole 15 minutes and from that he could diagnose me, tell me ANOTHER medicine he thinks might help in hopes the thoughts of wanting to end my life would stop and I would be on my way until next month.
This went on for year and years. I hated that I had to take not just one but 6
pills everyday to keep me sane. But the thing was they didn’t keep me sane, they
made it worse. You hear it all the time on those anti-depressant commercials, “May cause thoughts of suicide or harming oneself” or “may increase the risk of
suicide” Um, what? So I take these pills for my depression but it may make things
worse and I might take my own life? After losing my sister in 2014 to a
prescription drug overdose, I made the decision to get off all of my medicine.
I didn’t want to depend on them any longer. Let me tell you, it was one of the
best decisions of my life. First off, we are humans we are meant to feel not to be
numb, that was just how I felt. What I am about to tell you is something that has
really been beneficial in my life, it has helped with my anxiety, depression, mood
and my outlook on life. If you are a person who is suffering from depression, I
hope you take this into consideration.

L-theanine and Depression


L-theanine is an amino acid found in tea, more specifically – green tea

  • Research on human volunteers has demonstrated that L-theanine creates a sense of relaxation approximately 30-40 minutes after ingestion by at least two different mechanisms. First, L-theanine directly stimulates the production of alpha brain waves, creating a state of deep relaxation and mental alertness similar to what is achieved through meditation. Second, L-theanine is involved in the formation of the inhibitory neurotransmitter, gamma amino butyric acid (GABA). GABA influences the levels of two other neurotransmitters, dopamine and serotonin, producing a relaxation effect.
  • L-theanine has a significant effect on the release or reduction of neurotransmitters like dopamine and serotonin, resulting in improved memory and learning ability. L-theanine may also influence emotions due to its effects on the increased release of dopamine. L-theanine reduces brain serotonin concentration by either curtailing serotonin synthesis or increasing degradation in the brain.
  • Stress and anxiety are debilitating conditions that upset the balance of our hormones leading to a loss of our well-being, performance, and even lifespan. Stress impairs the immune system, leaving us vulnerable to opportunistic infections, and can cause depression. People under stress can mitigate many of the harmful effects of stress with L-theanine.

Although it causes a sense of relaxation, it does not make you drowsy.

One of the greatest benefits of L-theanine is that you can use it without becoming sedated in the process. L-theanine doesn’t make one drowsy, nor does it promote sleep because this amino acid does not produce theta waves in the brain.

L-theanine is extremely safe. There are no dietary limits on L-theanine intake by the Japan Food Additive Association. In 1964, the Japanese Ministry of Health and Welfare approved L-theanine for unlimited use in all foods, with the exception of infant foods.

L-theanine is most effective in the range of 50-200 mg, with the effect being felt within 30 minutes and lasting for 8-10 hours. Individuals with high stress levels may increase their dosage of L-theanine to at least 100 mg, with no more than 600 mg being taken in a six hour period. FDA recommends a maximum dose of 1200 mg daily, although the reason for this limit is not clear, due to its demonstrated safety.

There are no known adverse reactions to L-theanine and no drug interactions have been reported. L-theanine is not affected by food and may be taken anytime, as needed. Because it has a mild taste, capsules may be opened and dissolved in water. Although it is probably safe for pregnant women and nursing mothers, we discourage its use by them pending conclusive research

You kind find L-theanine at your local Vitamin/Natural Living Store. Jarrow Formulas offers a vegan option! I found mine at Fresh Thyme Farmers Market.

I hope this helps.

I obtained information from the following sites:


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