










Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.
🧘♂️ Stay Calm, Stay Sharp — Stress Relief That Works All Day Long
Life Extension Theanine XR™ delivers a scientifically formulated, extended-release L-theanine supplement designed to promote a calm, wakeful state throughout your busy day. Non-GMO, gluten-free, and vegetarian, it supports healthy neurotransmitter balance to reduce stress without causing drowsiness, making it the perfect companion for professionals seeking focused relaxation and resilience against daily stressors.










| ASIN | B09HVDD48T |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #17,313 in Health & Household ( See Top 100 in Health & Household ) #459 in Blended Vitamin & Mineral Supplements |
| Brand | Life Extension |
| Brand Name | Life Extension |
| Color | Off White |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 379 Reviews |
| Diet Type | Vegetarian |
| Dosage Form | Tablets |
| Flavor | Unflavored |
| Item Dimensions | 1.75 x 1.75 x 3.33 inches |
| Item Form | Tablet |
| Item Nype Name | Theanine XR Stress Relief |
| Item Weight | 0.12 Pounds |
| Manufacturer | Life Extension |
| Manufacturer Part Number | 02429 |
| Material Features | Non-GMO |
| Material Type Free | Gluten Free |
| Model Name | Theanine XR™ Stress Relief |
| Model Number | 02429 |
| Number of Items | 1 |
| Primary Supplement Type | L-Theanine |
| Product Benefits | All day stress support with extended-release technology, Encourages brain wave patterns associated with wakeful relaxation, Promotes relaxation—without making you sleepy |
| Special Ingredients | Calcium [from dicalcium phosphate], L-Theanine [as AlphaWave® Theanine XR™], Phosphorus [from dicalcium phosphate] |
| Specific Uses For Product | Mood Support, Stress Management |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 30.0 |
| UPC | 737870242932 |
| Unit Count | 30.0 Count |
C**S
Great product very solid
It works very well for me, value for the money felt reasonable to me. It did not mess with my stomach or anything like that. I have taken L-Theanine products for years to manage stress and I do like these because they are extended release and seem to last me through the night. Focus wise it calms the overthinking thoughts to where I can focus on what I need to get done. Next time I order some more I’m going to get a bigger bottle.
M**L
Great for stress
Great for stress, it really seems to help calm you down. I had no adverse side effects taking it and then taking it for over 60 days. Great product.
A**A
calming
Very helpful for everyday undiagnosed and unmanaged anxiety. I take half a capsule during the day when I start feeling overwhelmingly anxious and it helps me a lot.
J**S
Helps with anxiety
I'm a huge fan of l theanine. This product is a good choice.
D**Y
Made me feel weird
This is suppose to ease anxiety but it's not a promise, just a possibility.
S**R
Quality product
Read a lot of other brands and this one was the best. I’m taking it and it seems to help in the late afternoon when I want to wind down. Zero stomach upset and easy to take.
E**S
Reputable Company
Great company with solid products!
D**E
Makes you feel better. Great for stress
I take this on a regular basis for years!!
L**Y
No siento ningún efecto
Llevo casi un mes consumiendo el producto en las noches y no funciona. No gastes.
C**O
Good brand
Great product and brand
J**E
Very strong and potent... too strong for me but at least it's the real deal!!
Why did you choose this product over others?: This is a high quality and strong dose of L-theanine. The dose is far too strong and potent for me but some people might find that to be a good thing. It is very sedating. If I use it I need to break it in half. It's so strong that I don't use it very often but it's good to have on hand just in case.
Trustpilot
1 week ago
1 month ago