L theanine reviews anxiety

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I started taking Theanine daily (100mg a day) after 2 weeks of daily panic attacks. Right away I noticed a difference. I could feel the anxiety build and then die down. Before taking the supplement I would spend 15 minutes in a full blown attack. I took it daily for 60 days. Now, I take it on days when I feel anxious or under a lot of stress. I tell everyone with anxiety to try it. There ar...

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emena pali den me voithise idiaitera me to agxos mou

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Condition: Stress

Overall rating 3. 7

EffectivenessEase of UseSatisfaction

I take a product that is 400mg each capsule and the bottle says that up to 2 capsules a day when required. But there are consequences, it has lowered my immune system and I keep getting infections... Didn't know what was causing it to start with but after being hospitalized for a bad prostate infection I realized.

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Condition: Anxiety

Overall rating 5.0

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I was on Xanax and stopped using because I don’t like being dependent on pills. This has worked well. I take 100mg daily and an excellent xtra 100mg when having a bad day. It does not make me want to sleep like Xanax did. I have hormone issues that cause my anxiety attacks. I can skip a dose or two without withdrawals.

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Condition: Stress

Overall rating 5.0

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Initially took for stress but felt more focused at work, like i was more on my game.

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Condition: Anxiety

Overall rating 3. 0

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It started causing odd dreams and I don't dream so it was disconcerting.

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Condition: Anxiety

Overall rating 5.0

EffectivenessEase of UseSatisfaction

I was on Xanax but my doctor has stopped treatment. I found this online and started taking it. It helps a ton and before it I was not getting a good nights sleep with my mind wondering for hours. Now I take this an hour or two before bed and it helps keep my thoughts at bay and helps me relax to get to sleep.

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Condition: Depression

Overall rating 4.3

EffectivenessEase of UseSatisfaction

mild benefit, but definate. I've taken many vitamins, supplements - amino acids - some more effective but had side effects, particularly heart rythm

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Condition: Anxiety

Overall rating 2.3

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No discernible effect whatsoever

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Condition: Stress

Overall rating 1.0

EffectivenessEase of UseSatisfaction

I was taking it at bedtime because it seemed to help me get sleepy, but I started waking a lot in the middle of the night. After several weeks, I stopped taking it and have been sleeping through the night again.

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Condition: Attention

Overall rating 4. 7

EffectivenessEase of UseSatisfaction

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Condition: Anxiety

Overall rating 4.7

EffectivenessEase of UseSatisfaction

It helps a lot with anxiety attacks and focus.

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Condition: Anxiety

Overall rating 3.7

EffectivenessEase of UseSatisfaction

It helps.

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Condition: Anxiety

Overall rating 5.0

EffectivenessEase of UseSatisfaction

My OB recommended this product to me roughly 2 years ago due to stress and anxiety. I mainly take 1-2 capsules (100-200mg) at night when I feel my stress/anxiety levels are high. This product has been a life saver for me.

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Condition: Other

Overall rating 4. 3

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Takes the edge off...I have PD,AF,OSTEOPORIS,OSTEOARTHRITIS,CONSTANT PAIN FROM LUMBAR AND CRVICAL SPINE STENOSIS.

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Condition: Anxiety

Overall rating 5.0

EffectivenessEase of UseSatisfaction

I have been taking L-theanine for over a year for stress, anxiety and menopausal support. I wasn't sure it was working until I was out of the product for over a week and all my stress,anxiety has returned. I will never be without my L-theanine again.

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Condition: Other

Overall rating 4.3

EffectivenessEase of UseSatisfaction

I purchased 50g of L-Theanine from the online company, "Liftmode", to see if I could augment my considerable daily consumption of Caffeine, by combining the two (ie. I added the recommended serving dosage of powder to each of my 3 to 4 × Iced Coffees). I was hoping to feel my same desired effect from less, or at least minimize the unwanted ones (ie. "jitters"/cardio pulmonary strain). I would say that it did both of these things. It's a subtle but worthwhile helper in that way. I'll be going back to "Liftmode" for more of this in the future. Considering I can be a quite sensitive person in general, physically. I am absolutely satisfied of the purity and quality of this product. At no stage over the last few months, did I suffer from any ill effects.Read More Read Less

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Overall rating 1.0

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After my third day on L-Theanine, I broke out in patches of hives in random places on my arms and legs. I have never had an allergic reaction like this. The L-Theanine was my only dietary change, I have to assume it's the cause.

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Condition: Anxiety

Overall rating 5.0

EffectivenessEase of UseSatisfaction

I get anxious when I have to go to the Dr. My body is through the roof so I started taking this I hour before I go and my bp is normal

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Condition: Anxiety

Overall rating 5.0

EffectivenessEase of UseSatisfaction

I take 100mg of theanine before bed. In combination with Valerian tincture, it helps me sleep. In addition to the theanine itself, the formula from this manufacturer contains 150 mg of magnesium, 250 mg of GABA, 225 mg of taurine, and 50 mg of holy basil leaf extract.

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Condition: Anxiety

Overall rating 4.7

EffectivenessEase of UseSatisfaction

I have been using this for at least a year. It does seem to calm me. I don't understand why but it has that affect on me.

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Condition: Anxiety

Overall rating 4.0

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Seite 1 - Bewertungen - NOW Foods, Double Strength L-Theanine, 200 mg, 120 Veg Capsules

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Nutze seit 2 Monaten 1 einmal je Tag, und kann ich sicher sagen, das dieser Ding macht mich viel entspannter, ruhiger und stressige Situationen bleibe mit kühle Adern. Bin besser gelaunt und Leben ist heller geworden.

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Belohnte Bewertung

L-Theanin wirkt bei mir persönlich - im Gegensatz zu Gaba - ganz hervorragend. Da ich unter einem dauerhaft hohen Cortisolspiegel leide und dementsprechend dauerhaft aufgekratt bin, weiß ich die beruhigende Wirkung des L-Theanins sehr zu schätzen. Und, wie immer, gute Qualität von Now Foods.

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Der Effekt ist beruhigend und gut spürbar. Ich kann nicht von Auswirkungen auf Training oder Energie sprechen, nicht vergleichbar mit Koffein. Der Geschmack ist natürlich neutral. Leider stört mich der umstrittene Inhaltsstoff Silikon Dioxid. Dieser soll nicht ganz unbedenklich im Darm sein. Theanin ist quasi unmöglich in solchen Größen in Nahrung zu finden. Deswegen kann ein Supplement helfen. Nur für mich nicht mit Silikon Dioxid

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Gut verträglich, hilft mir tagsüber und abends um besser zu schlafen.

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Ich bin öfter mal erschöpft aufgewacht. Seit dem ich L-Theanine nehme fühle ich mich viel besser. Und bin mehr resistent zu Stress. Allgemein mehr Energie. Die Kapseln sind nicht zu groß.

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Gepostet am Apr 9, 2022

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alles in ordnung, bin zufrieden, danke!!

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Top Ware, Top Preis, Gerne wieder 👍🏼👍🏼👍🏼👍🏼

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Alles bestens, gerne wieder danke

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Schlaf hat sich deutlich verbessert. Wird eingenommen in Kombination mit Melatonin und 5,HTP

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kann nicht richtig einschätzen

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Stress and anxiety reduction without drowsiness

Until April 8, this supplement is 10% off ! If you haven't tried theanine yet, this is a good opportunity to do so.

During this difficult time for the whole world, there is an unprecedented increase in the level of stress and anxiety, which, as you know, weaken the immune system, and can also lead to various chronic diseases.

Most synthetic stress relievers cause lethargy and drowsiness. But the pandemic of the new virus continues to advance, and there is no way to relax completely. You need to be constantly on the alert, strictly observe all necessary precautions, be attentive and collected.

Here I want to talk about a natural remedy that relieves stress, relaxes and calms without causing lethargy, lethargy and drowsiness, and at the same time increases concentration. L-theanine (L-theanine, L-Theanine) has such a unique and amazing property.

L-theanine is an amino acid similar in structure to glutamine that can enter the brain by passing through the BBB (blood-brain barrier). Theanine is found in tea leaves and some other plants. It was first isolated in the middle of the last century from green tea leaves. Since then, theanine has been produced as an amino acid supplement, as a natural nootropic that promotes relaxation without sedation.

Let's take a look at the main benefits of theanine supported by science .

🍃 Theanine reduces anxiety and stress

Numerous RCTs (randomized controlled trials) on the effects of theanine on the human body, published in medical journals, have shown that L-theanine markedly reduces anxiety and stress in people under stress . This effect is also widely reported in customer reviews of theanine supplements.

🍃 Theanine improves concentration

L-theanine combined with caffeine can significantly increase the ability to focus attention for a while. This is supported by research and reports from users of theanine supplements around the world.

If you need to quickly get together, focus on something - drink theanine with coffee and your ability to concentrate will improve significantly. This can be useful for studying or performing an important task that requires the utmost concentration.

🍃 Theanine improves immunity

Studies have shown that L-theanine reduces the incidence of upper respiratory infections and helps reduce inflammation in the intestines.

🍃 Stress control

Scientists have concluded that theanine may be useful in controlling blood pressure in stressful situations. Supplementation with theanine reduces high blood pressure by reducing stress levels.

🍃 Theanine improves sleep quality

A number of studies have shown that theanine at a dose of 400 mg per day significantly improves the quality of sleep at night. The relaxing effect of theanine lowers the heart rate at rest. In one study, theanine was found to significantly improve sleep in children with ADHD (Attention Deficit Hyperactivity Disorder).

🍃 Relief of the symptoms of sinusitis

L-theanine can stimulate the function of the cilia of the ciliated epithelium of the nasal mucosa. The cilia begin to move better and more effectively remove mucus, which can be affected by the infection.

In this way, theanine helps the body get rid of mucus faster and prevents the growth of pathogens.

🍃 Dosage and Side Effects

L-theanine supplements are generally safe when recommended doses are followed. Data on the safe dose limit of theanine and side effects do not exist. But patients undergoing chemotherapy should check with their doctor before taking theanine, as theanine may reduce the effectiveness of some drugs.

There are many theanine products on iHerb. In this review, I will talk about the drug L-Theanine, AlphaWave, Supports Relaxation, Calm Focus from California Gold Nutrition , iHerb's own brand.

Supplement available in three versions: 100 mg 30 pcs, 100 mg 60 pcs, 200 mg 60 pcs. These three versions of the supplement are ranked #3 in iHerb's theanine rankings because they are the most cost-effective and best quality theanine supplements on the site.

L-Theanine, AlphaWave has iTested certificate with published chemical analysis results. The supplement is suitable for vegans. Does not contain GMOs, soy.

One capsule contains 100 mg pure theanine. The manufacturer recommends taking 1 capsule daily at any time, before meals or with meals.

Working additive. It helps to relax and restore balance inside, while it does not cause drowsiness at all. In the daytime, it gives more vigor and attentiveness, at night it improves sleep.

For me, the effect of the supplement becomes noticeable when taking 2-3 capsules per day. The recommended dosage is 1 capsule per day, it has a very weak effect on me.

I value this supplement primarily for its help in managing stress without the unwanted conditions like laziness, apathy and drowsiness that some other natural stress relievers cause.

If this review was useful to you, I would be grateful for using the code TOV513 , which will give an additional 5% discount for everything or -10% for iHerb brands, discount is summed up with other promotions.

My blog on instagram - @ruherb

Tags: dietary supplement, for health what to drink. Theanine is an amino acid from green tea that allows you to sleep better, increases concentration, including in children. In this review, we will talk about the beneficial properties of L theanine and consider other most important issues:

What is L-theanine and can it be taken by children.
Which L-theanine to choose, Suntheanine or AlphaWave.
Instructions on how to take L-theanine for adults and children.

Useful properties of L-theanine, green tea - instructions for use

What is L-theanine

Daily stress has become a natural part of modern life. Work overload, family conflicts, financial pressure, traffic jams, lack of time for rest, information overload from smartphones and computers are just some of the stressors we face on a daily basis. For some people, stress can be overwhelming, leading to feelings of anxiety and insomnia. Fortunately, there are safe and effective supplements that give good results when we feel exhausted. One such supplement is L-theanine, a unique amino acid found in plants in the tea family ( Camellia sinensis ). Represents one of the best natural compounds for relieving stress and anxiety. True, the content of L-theanine in green tea is small, only 1-2% of the dry weight of tea leaves.

In addition to theanine, tea also contains caffeine - it has a positive effect on cognition much faster than L-theanine because it is absorbed faster, reaching peak plasma concentrations 30 minutes after ingestion. In comparison, peak plasma levels of L-theanine are reached 50 minutes after ingestion. In addition to L-theanine and caffeine, tea leaves contain other substances with many beneficial properties, including the amino acids glutamine, arginine, serine and alanine, as well as catechins. The well-known version of Matcha tea is a special product with a higher (compared to regular green tea) content of beneficial phytochemicals.

How L-theanine works

The effect that L-theanine has on the brain and nervous system is due to two neurotransmitters that are produced from it in the body. These are gamma-aminobutyric acid (GABA) and glutamic acid (glutamate). Due to their opposite action on the nervous system, GABA is sometimes called an inhibitory acid, and glutamate is an excitatory acid. The simultaneous combination of these two substances gives L-theanine a truly unique properties - it calms and energizes at the same time. Reduces susceptibility to stress factors, without causing drowsiness, but on the contrary - improving attention. At the same time, both compounds trigger neurobiological processes that end in the production of dopamine (the hormone of pleasure) and serotonin (the hormone of good mood and happiness).

The principle of action of green tea and Theanine - L-theanine

Normal green tea brewing at home leaves only a small amount of theanine in the healthy drink. The structure of tea leaves, from which it is difficult to extract a useful supplement, is difficult to break down and allows you to release only 10–20 mg of the amino acid. The amount of L-theanine in tea also depends on the geographic location of the tea plantations, production methods and harvest time. Some types of tea, such as Camellia sinensivar (a species of the Camellia genus of the tea family), contain higher concentrations of L-theanine than the well-known Chinese camellia (C. sinensis) tea plant.

Benefits of supplement L-theanine

Consider all the beneficial properties of L-theanine found to date:

1) Protection against stress and depression. In 2019, Japanese neuroscientists studied the effects of L-theanine on cognition and stress resistance in healthy adults. Studies have shown that after four weeks of taking 200 milligrams of L-theanine per day, which is equivalent to eight cups of green tea, the subjects experienced a decrease in stress and depression levels, increased self-esteem. The people performed better than the placebo group on all tests of attention and responsiveness.

2) Combat insomnia and dementia. L-theanine has been shown to help manage insomnia, improve sleep quality by acting as a sedative while reducing anxiety and promoting relaxation. Chinese scientists have proven that long-term habitual consumption of green tea reduces the risk of developing dementia and Alzheimer's disease in old age. Those who drank at least one cup a day throughout their lives were better at memory and processing tasks by the age of 55 than those who did not drink tea at all. The reasons are that theanine easily crosses the blood-brain barrier and directly affects brain wave activity, and very few of the natural nootropics are capable of doing this. An older study found that the theanine from supplements was enhanced when combined with other important components of regular tea, caffeine and catechins.

3) Mental activity. Theanine has been shown to improve learning, memory, and cognition, as well as increase selective attention during mental tasks. L-theanine is a promising drug for attention deficit hyperactivity disorder (ADHD) and is also effective in the treatment of panic disorder, obsessive-compulsive disorder (OCD), and bipolar disorder. Animal studies have shown that L-theanine rapidly crosses the blood-brain barrier, increases brain levels of serotonin, GABA, and dopamine, binds to glutamate and NMDA receptors, and may increase brain-derived neurotrophic factor (BDNF). Long-term use of L-theanine (over 3-4 weeks) may have an overall positive effect on neuroprotective effects, in terms of increased synthesis of brain-derived neurotrophic factor (BDNF) in the hippocampus, an area of the brain that plays a central role in memory consolidation.

4) Heart health. Studies have shown that L-theanine reduces heart rate and blood pressure, as well as other physiological aspects of stress. True, the study noted that the pressure decreases only with psychological stress, but not physical.

5) Attention deficit disorder in children. A recent study from the University of British Columbia found that L-theanine 200mg twice daily was safe and effective in improving some aspects of sleep quality in boys aged 8-12 who were diagnosed with attention deficit disorder (ADHD). Since sleep problems are common in children with ADHD, L-theanine may represent a safe and important adjuvant role in the treatment of ADHD in childhood.

L-theanine contraindications

L-theanine does not cause drowsiness, slow reflexes or impair concentration, and does not carry the risk of addiction or dependence. No serious adverse side effects or interactions have been reported between L-theanine and psychotropic drugs or other natural products. However, it's best to get your doctor's approval before taking it.

L-theanine dosage for children and adults

Based on clinical studies, L-theanine has been shown to be effective in the 50-200mg range, at such dosages the supplement does not act as a sedative but significantly improves sleep quality. If higher levels of stress are experienced, at least 100-200 mg three times a day is allowed with the approval of a physician. Although L-theanine is completely safe and there are no reports of any adverse drug interactions, as a general guideline, no more than 600 mg over a 6-hour period and no more than 1200 mg over a 24-hour period is recommended. For children, the dosage is not higher than 200 mg, but it is better to consult a doctor first.

What is the dosage of L-theanine for children and adults

Physicians generally allow theanine to be taken on an ongoing basis, including during daytime hours.

Which is better - L-theanine, Suntheanine or AlphaWave

Since the amino acid makes up only 1-2% of the dry weight of green tea leaves, many companies have looked for extraction and fermentation processes to put adequate doses of L-theanine into neat little capsules. However, these processes do not always lead to high concentrations of L-theanine, so D-theanine may be present in the formulation.

Probably many have noticed that some additives have an L prefix at the beginning. What does it mean? This prefix applies only to amino acids, where the molecules can be twisted in different ways. The letters L and D help determine which of the mirror types each acid belongs to. Class L amino acids are more compatible and similar to the biochemical processes of the human body, and for this reason it is recommended to include them in your diet. Type D amino acids are now trying not to be released, if you do not see the prefix L, then it is not applicable for this amino acid, for example, for glycine.

Suntheanine has solved the D-theanine problem. This is a Japanese manufacturer's product standardized to 99% L-theanine. Taiyo Inc is the manufacturer of Suntheanine and describes their manufacturing process as a synthetic enzymatic fermentation.
ENI's version of AlphaWave Theanine is made using a similar technology, with L-theanine standardized to 98% L-theanine. It also emphasizes the importance of a purified source of material that is chemically identical to the components of green tea.

What to buy? There is not much difference, you can take both Suntheanine and AlphaWave. The natural L-theanine version is best purchased from trusted manufacturers with high quality control, we list such options below. It is better to pay special attention to complexes with the presence of caffeine and other components of green tea in the composition, together they work better.

Eicherb L-Theanine Rating

Eicherb presents various versions of theanine, we will give pure versions with a guaranteed amount of exactly the L version of the amino acid.

Good L-theanine at iHerb - Suntheanine and AlphaWave

California Gold Nutrition, TheanineUP, Focused Energy, L-Theanine & Caffeine, 60 Veg Capsules. A very good option to buy, the AlphaWave version of theanine has caffeine, organic cocoa powder, and matcha green tea powder. Dosage 100mg, do not exceed 2 capsules per day.
Doctor's Best, L-Theanine with Suntheanine, 150 mg, 90 Veg Capsules. Suntheanine version, 1-2 per day.
California Gold Nutrition, AlphaWave, L-Theanine, Supports Relaxation and Calm Focus, 100 mg. Here is a pure AlphaWave version. The dosage for 200mg is here.
Natural Factors, Stress-Relax, Suntheanine, L-Theanine, 100 mg, 60 Chewable Tablets. It's a chewable tablet form, the Suntheanine version. The brand is very protective of its reputation as the purest supplements.
Life Extension, L-Theanine, 100 mg, 60 Veg Capsules. The natural version of L-theanine. A brand with high quality control, laboratory tests also confirmed that only the L version of the amino acid is contained in the composition.
Nature's Way, Kids, Cool, Calm & Collected, Calm, 40 Gummies. For children 8 years of age and older Gummies, Suntheanin version. Analog here.
SmartyPants, Healthy Kids Sleep, 4+ Years, Cherry, 28 Gummies. For children from 4 years old , marmalade. An analogue from KAL with natural theanine and the form of sweets is here.

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