Stress & Anxiety Supplement


Rating (2,146 Reviews)

4.06 out of 5

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  • Stress & anxiety supplement
  • 60 capsule bottle of AOR's Zen Theanine
  • A calming amino acid found primarily in green tea
  • Promotes a calm, relaxed alertness without causing drowsiness
  • Can be taken to help you focus, relax or fall asleep
  • Fast-acting and effective with one high-dose capsule

Description Ingredients

Zen Theanine contains L-theanine, a calming amino acid which is beneficial for those who suffer from stress and anxiety and find it difficult to focus, relax, or fall asleep. First discovered in 1949, L-theanine is a unique amino acid found in green tea which helps reduce nervousness and restlessness, promoting relaxation without causing drowsiness. L-theanine rapidly enters the body when ingested (within roughly 30-40 minutes) and relaxes the brain, calms racing thoughts and creates feelings of “zen” while promoting alertness and concentration. L-theanine influences the levels of the neurotransmitters dopamine, serotonin and GABA in the brain, balancing mood, sleep and 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.

L-Theanine 225mg

Non-medicinal ingredients: Mycrocrystalline cellulose
Capsule: hypromellose

AOR Reviews (2,146)
Where to Buy

Excellent products I found that I needed to use it a little bit more to reduce anxiety I did feel I have better sleeps and I really enjoyed using it


I do have a history of anxiety and depression and am already on medications for those. The purpose of trying this product was the hope I could wean myself off the stronger medications. While I did sleep much better than normal I do not feel this product should be marketed to truly anxious and depressed patients. I would worry that people would go off their doctor prescribed medication and end up worse off. I did like the extra sleep though!


It was not effective for myself but may be for others with mild stress/anxiety. My prescriptions meds keep me more level headed. I just didn't really notice any change while using this product.


I thought the packaging was a design design. Size of pill was appropriate. I felt that my taking the capsule in the morning, it helped me get through my day.


i might purchase this product again....due to stress its hard to go to sleep and this capsules has helped me a bit so will give it a try again.



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