The science behind L-theanine for Depression and Anxiety | Lidija Millonig Atlas, D.N.M. posted on the topic | LinkedIn (2024)

Lidija Millonig Atlas, D.N.M.

Top Mind-Body Wellness & Weightloss Expert, Coach, and Author | Guiding professionals to rapid transformation and improving quality of life

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Unlocking the Healing Power of L-theanine for Depression and Anxiety 🧠💚Did you know that L-theanine, a unique amino acid found in green tea, holds promising potential in alleviating symptoms of depression and anxiety? Let's delve into the science behind this natural compound and its profound effects on the brain.1. Anxiety Reduction: Studies have shown that L-theanine can promote relaxation and reduce anxiety by increasing levels of neurotransmitters such as serotonin and dopamine in the brain. By modulating these neurotransmitters, L-theanine helps to promote a sense of calm and well-being.2. Stress Management: L-theanine has been found to mitigate the body's stress response by inhibiting the release of cortisol, a hormone associated with stress and anxiety. By dampening the physiological effects of stress, L-theanine can help individuals cope more effectively with challenging situations.3. Brain Function: L-theanine has been shown to enhance cognitive function and improve attention and focus. By promoting alpha brain wave activity, L-theanine induces a state of relaxed alertness, allowing individuals to concentrate more effectively and perform tasks with greater clarity and accuracy.4. Neuroprotection: Emerging research suggests that L-theanine may exert neuroprotective effects by reducing oxidative stress and inflammation in the brain. These properties could help to mitigate the risk of neurodegenerative diseases and support overall brain health.As we continue to explore the therapeutic potential of L-theanine, it's important to recognize its role as a safe and natural supplement for promoting mental health and well-being. Incorporating L-theanine into your daily routine may offer valuable support for managing depression, anxiety, and stress, while enhancing cognitive function and brain health.How has L-theanine positively impacted your mental wellness journey? Share your experiences and insights below!#LTheanine #MentalHealth #BrainHealth #AnxietyRelief #DepressionSupport 🍵🧠💡

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The science behind L-theanine for Depression and Anxiety | Lidija Millonig Atlas, D.N.M. posted on the topic | LinkedIn (2024)

FAQs

Does L-theanine help with depression and anxiety? ›

L-theanine is a compound known for its calming effect on the mind. In studies, it significantly reduced stress levels, making it a popular option today for people seeking natural remedies for anxiety. One of the ways L-theanine is thought to help reduce anxiety is by increasing levels of certain chemicals in the brain.

What is the science behind L-theanine? ›

Neurotransmitters: γ-aminobutyric acid (GABA), dopamine, and serotonin. L-theanine exhibits pharmacological effects on brain wellness via modulating neurotransmitters, including reducing glutamate release, increasing inhibitory neurotransmitter GABA level, and enhancing glycine and dopamine release [4].

What are the negative side effects of L-theanine? ›

High doses on daily basis will lead to:
  • Lowering blood pressure (which may be beneficial to some people).
  • Appetite loss.
  • Diarrhea.>
  • Difficulty in concentration.
  • Headache.
  • Nausea.
  • Extreme high doses (29mg/kg/day) can cause liver toxicity.

What does L-theanine do to the brain? ›

l-theanine (γ-glutamylethylamide), an amino acid in green tea, has been shown to affect brain functions by relieving stress disorders, improving mood, and maintaining normal sleep. However, the cognitive functions for which theanine is effective are unclear.

Does L-theanine increase serotonin or dopamine? ›

Tea is often used as a relaxing beverage. l-Theanine is an amino acid extracted from green or black tea. In the brain, l-theanine increases dopamine, serotonin, and the inhibitory neurotransmitter glycine (Yamada et al., 2009). Kakuda et al.

Does L-theanine actually work? ›

Several studies have suggested that L-theanine could help people relax before bedtime, get to sleep more easily, and sleep more deeply. These benefits may result from the specific effects that the amino acid has on brain chemicals that play a role in sleep.

What happens if you take L-theanine every day? ›

When taken by mouth: L-theanine is possibly safe when used short-term. Doses of up to 900 mg daily have been safely used for 8 weeks. It isn't clear if L-theanine is safe to use for longer periods of time. It might cause mild side effects, such as headache or sleepiness.

Who should not take theanine? ›

We don't know if theanine is safe for children or for women who are pregnant or breastfeeding. Interactions. If you take any medicines regularly, talk to your doctor before you start using theanine supplements. They could interact with stimulants, sedatives, and drugs for high blood pressure.

What foods are high in L-theanine? ›

The greatest sources of L-theanine in our diets are green, black and white teas — but because most people don't drink very large quantities of tea on a daily basis, L-theanine supplements can be beneficial.

Why do I feel weird after taking L-theanine? ›

Anxiety. While L-theanine is often used to alleviate anxiety, it can increase feelings of anxiety in some people. This is extremely rare but is most likely caused by the changes the L-theanine has on how the brain deals with serotonin and GABA.

Is L-theanine hard on your liver? ›

Being a redox-active polyphenol, high-dose EGCG exhibits pro-oxidative activity and could cause liver injury. L-theanine is a unique non-protein amino acid in green tea and could provide liver-protective effects.

Can you overdo it on L-theanine? ›

L-theanine is generally considered safe and well-tolerated when taken at appropriate doses. In general, it's recommended that you don't exceed 500 milligrams (mg) a day. Most healthy adults can take between 200 mg and 500 mg a day.

Does L-theanine reduce cortisol? ›

About 20 minutes after ingestion, L-theanine naturally lowers the body's cortisol levels. Cortisol is that pesky hormone that shoots up when you're feeling stressed (a not-so-fun fact, it also aids the body in storing fat, too).

How quickly does L-theanine work for anxiety? ›

Earlier reports showed the dose dependent features of l-theanine on the brain activity can be prolonged and could typically last 8–10 h. However, the original claims relating to the calming effect of l-theanine show it is usually noted within 40–60 min after l-theanine ingestion at a dose of 50–200 mg.

Which is better GABA or L-theanine? ›

Conclusion. Both oral L-theanine and oral GABA decrease anxiety, and GABA produces a greater decrease in anxiety than L-theanine. Oral alprazolam produces a greater decrease in anxiety than oral GABA and oral L-theanine. Oral L-theanine does not produce significant sedation.

How long does it take for L-theanine to work for anxiety? ›

Earlier reports showed the dose dependent features of l-theanine on the brain activity can be prolonged and could typically last 8–10 h. However, the original claims relating to the calming effect of l-theanine show it is usually noted within 40–60 min after l-theanine ingestion at a dose of 50–200 mg.

Is L-theanine a mood stabilizer? ›

A 2020 systematic review found evidence that L-theanine may help reduce stress and anxiety and improve cognitive function and mood.

Is theanine and magnesium good for anxiety? ›

L-theanine and magnesium may have positive effects when it comes to reducing perceived stress, decreasing anxiety, and promoting high-quality sleep. If you are looking for help in any of these areas, a combination of the two supplements might theoretically work better than taking either on its own.

What are the benefits of theanine for anxiety? ›

Thiamine and benfotiamine generate antistress and antidepressant-like effects in mice. Both molecules prevent brain activation of GSK3-β in a model of depression. Each also prevent stress-induced increases in anxiety and GSK3-β expression.

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