Promotes Relaxation Without Drowsiness
- Pure L-theanine
- Promotes a calm, relaxed alertness without causing drowsiness
- Fast-acting and effective with one high dose capsule
$40.95 – $62.95 — or subscribe and get 15% off
Zen Theanine contains L-theanine, a calming amino acid which is beneficial for those who suffer from stress and anxiety, or those who find it difficult to focus, relax, or fall asleep. L-theanine is a unique amino acid found almost exclusively in green tea. It helps reduce nervousness and restlessness, promoting relaxation but without causing drowsiness. L-theanine takes effect within 30-40 minutes and alters brain wave activity, calming racing thoughts and creating feelings of “zen” while promoting alertness and concentration. It influences the levels of the neurotransmitters dopamine, serotonin and GABA in the brain, balancing mood, sleep and even learning capacity. L-theanine reduces feeling of stress by inhibiting some of the actions of norepinephrine (a stress hormone) in the central nervous system.
AOR’s Zen Theanine provides an optimal dose of L-theanine to provide fast-acting mental relaxation, with its stress reducing effects typically felt within 30 minutes of consumption.
Zen Theanine™ is L-theanine, a unique amino acid found primarily in green tea. Studies show that L-theanine promotes calm, relaxed alertness. AOR’s Zen Theanine™ contains Suntheanine®, which is made in a patented process that results in a 100% pure L-isomer-theanine.
AOR™ guarantees that all ingredients have been declared on the label. Contains no wheat, gluten, nuts, peanuts, sesame seeds, sulphites, mustard, soy, dairy, eggs, fish, shellfish or any animal by product.
Theanine is one of the primary components of tea that gives it its relaxing and cognitive-supporting properties. AOR’s Zen Theanine provides an optimal dose of this remarkable amino acid in its Zen Theanine
Take 1 capsule daily without food, or as directed by a qualified health care practitioner.
Green Tea (Camellia sinensis)
- Mood support
- Cognitive support
The information and product descriptions appearing on this website are for information purposes only, and are not intended to provide or replace medical advice to individuals from a qualified health care professional. Consult with your physician if you have any health concerns, and before initiating any new diet, exercise, supplement, or other lifestyle changes.
† Daily Value not established
Suntheanine®: is a registered trademark of Taiyo International.
Non-medical Ingredients: mycrocrystalline cellulose, capsule: (hypromellose).
Alpha Brain Waves
Various tests have demonstrated the anti-stress effects of L-theanine. One of the more revealing of these experiments examined brain wave patterns after the ingestion of L-theanine. This research built upon the knowledge that humans produce specific patterns of electrical pulses on the surface of the brain which mirror brain states. The four primary wave patterns are known as the alpha, beta, delta and theta (a, b, d and q) brain waves, representing, respectively, 1) relaxed wakefulness, 2) excitation, 3) sound sleep, and 4) dozing sleep.
50 women volunteers (aged 18-22 years old) were divided into high-anxiety and low-anxiety groups. Each group was given either 50 or 200 mg L-theanine in water once a week. Their brain waves were measured during the 60 minutes after ingestion. The measurements were repeated twice during a two-month test period. The results were a marked increase in alpha-waves starting roughly 40 minutes after ingestion. Researchers concluded that L-theanine rapidly enters the system when ingested and that it heightens the index of the brain wave which is known to be linked to a state of relaxed wakefulness. Researchers also have explored whether the response to L-theanine might be influenced by the level of anxiety found in test subjects. As might be expected, the greater degree of change is found in those manifesting high anxiety.
Animal tests have been used to find out if L-theanine exerts an impact upon memory and learning ability. In one memory experiment based upon learned avoidance, both active and passive in nature, the L-theanine-treated animals were more successful than controls, and their superiority increased in proportion to the number of tests. In another test which measured learning ability, the L-theanine-treated animals, similarly, out-performed the controls, especially as the tests became more advanced.
Various experiments have attempted to determine how L-theanine achieves its benefits in the areas of relaxation and learning. These tests have shown that the amino acid influences the levels of neurotransmitters in the brain. The metabolism of dopamine and serotonin is influenced by L-theanine ingestion.
L-theanine, furthermore, appears to protect against certain so-called “excitotoxins.” It modulates the motor-stimulation associated with caffeine, and it inhibits some of the actions of norepinephrine in the central nervous system, for instance. In tests with gerbils, L-theanine protected against the destruction of neurons due to a rapid increase in glutamate in neurons and their resulting cellular death.
Benefits for the Liver
Yet another trial with L-theanine looked at its effects upon liver health. A known liver toxin, D-galactosamine, was employed. L-theanine was shown to be active in preventing injury to the liver, whereas glutamine in equal amounts showed no protective effect. Studies using other models of liver injury also have demonstrated benefits.
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