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L-Theanine is a natural chemical compound belonging to non-protein amino acids. It is produced in trace amounts in the human body, and its best external source is green tea leaves of Camellia sinensis species. In terms of chemical structure, L-theanine is reminiscent of glutamine and gamma-aminobutyric acid.

Theanine easily crosses the blood-brain barrier and promotes the generation of alpha brain waves. They are associated with a sense of inner balance and happiness, but at the same time allow maintenance of a clear mind, focus, and ease at acquiring knowledge. This makes theanine an excellent agent in situations of increased stress, which impedes concentration and reduces mental performance. Besides, theanine works well in people who suffer from insomnia without causing drowsiness, but due to the relaxing effect, it shortens the latency and improves the quality of sleep.

Our store's offer includes a wide selection of preparations with theanine. The supplements containing SunTheanine® formula protected by forty different patents are are particularly interesting. The formula is obtained in the fermentation process, imitating natural biochemical reactions occurring in the plant, which is why it will supposedly work faster and more effectively.

Here is an interesting fact for coffee lovers. People who are particularly sensitive to the effects of caffeine, i.e. they feel too excited or irritated, may be tempted to include preparations with theanine into their supplementation. It perfectly tolerates the side effects of caffeine and strengthens the positive aspects of its action.

 

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Apollo's Hegemony
18.79 $
(12)

Introduces the state of relaxation without sleepiness effects; effectively reduces anxiety and panic attacks.

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Jarrow Formulas
24.24 $

L-Theanine in the form of soluble chewing gum. For children who are at least 8 years old.

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Source Naturals
16.07 $
(1)

Supplement containing substances that let you start your day productively: caffeine and L-theanine.

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Hi-tech
21.52 $

Supplement that improves quality of sleep. Accelerates the regeneration, stimulates the production of growth hormone.

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Source Naturals
from 48.75 $ from 16.07 $

Dietary supplement improving mood. It reduces nervous tension and supports memory.

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Source Naturals
from 24.24 $

Dietary supplement improving mood. It reduces nervous tension and supports memory.

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Source Naturals
13.35 $

Synergistic blend of ingredients with anti-stress effect, such as GABA, L-theanine, Relora®

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L-Theanine Out of stock
Raw Series
from 8.99 $

Dietary supplement containing L-Theanine powder. Has a calming and anxiolytic effect.

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GABA Soothe Out of stock
Jarrow Formulas
21.52 $

Complex of substances that suppress excessive tension, facilitate relaxation and support mental processes.

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Theanine Out of stock
Jarrow Formulas
14.98 $

Dietary supplement improving mood. It reduces nervous tension and supports memory.

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L-Theanine 200mg Out of stock
Haya Labs
10.62 $

Pure L-Theanine in capsules. It has anti-stress and anti-anxiety properties and does not cause stupefaction.

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Anesthetized Out of stock
Blackstone Labs
46.03 $
(4)

Supplement that improves quality of sleep. Accelerates the regeneration, stimulates the production of growth hormone.

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Theanine Out of stock
Jarrow Formulas
24.24 $

Dietary supplement improving mood. It reduces nervous tension and supports memory.

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L-Theanine 150mg Out of stock
Doctor's Best
32.41 $

Supplement with nootropic qualities. It has relaxing effect and stabilizes mood.

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Quicksilver
35.13 $

The best assimilable liposomal form of GABA fortified with L-theanine. Alleviates nervous system response to stress.

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L-Theanine 500mg Out of stock
Pure
18.79 $

L-Theanine in capsules. The formula reduces mental tension and promotes relaxation.

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Knock Out PM Out of stock
Revange
from 37.86 $
(3)

Supplement that improves quality of sleep. Accelerates the regeneration, stimulates the production of growth h

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L-Theanine Out of stock
Now Foods
21.52 $
(1)

Dietary supplement improving mood. It reduces nervous tension and supports memory.

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GABA Pure Powder Out of stock
Now Foods
18.79 $

Pure gamma-aminobutyric acid in the form of a convenient powder. Reduces excessive emotional tension.

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GABA Chewable Out of stock
Now Foods
18.79 $

Complex of sedatives with Gamma-Aminobutyric Acid in the form of chewable tablets.

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