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🧘♂️ Unlock calm focus—because stress doesn’t stand a chance.
Life Extension Theanine XR™ is a premium L-theanine supplement designed for professionals seeking calm without sedation. Featuring extended-release technology, it supports a balanced stress response and wakeful relaxation throughout the day. Non-GMO, gluten-free, and vegetarian, this USA-made formula leverages scientifically-backed ingredients to promote mental clarity and resilience in hectic environments.







| ASIN | B09HVDD48T |
| Age Range Description | Adult |
| Allergen Information | Gluten Free, Non-GMO |
| Best Sellers Rank | #14,549 in Health ( See Top 100 in Health ) #70 in Stress Reduction Products |
| Brand | Life Extension |
| Brand Name | Life Extension |
| Color | Off White |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 389 Reviews |
| Diet Type | Vegetarian |
| Dosage Form | Tablets |
| Flavor | Unflavored |
| Flavour | Unflavored |
| Item Dimensions | 44 x 44 x 85 millimeters |
| Item Form | Tablet |
| Item Nype Name | Theanine XR Stress Relief |
| Item Weight | 0.12 Pounds |
| Item form | Tablet |
| Item weight | 0.12 Pounds |
| Manufacturer | Life Extension |
| Manufacturer Part Number | 02429 |
| Material Features | GMO Free |
| Material Type Free | Gluten Free |
| Model Name | Theanine XR Stress Relief – Stay Calm in The Face of Daytime Stress – Gluten-Free – Non-GMO – Vegetarian – 30 Vegetarian Tablets |
| Model Number | 02429 |
| Number of Items | 1 |
| Primary Supplement Type | L-Theanine |
| Primary supplement type | L-Theanine |
| Product Benefits | Promotes relaxation—without making you sleepy |
| Special Ingredients | Amino Acid |
| Specific Uses For Product | Mood Support, Stress Management |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 30.0 |
| UPC | 737870242932 |
| Unit Count | 30 Count |
| Unit count | 30 Count |
K**.
Can’t live without! Excellent for histamine sensitivity
I only use life extension. I have autoimmune issues. Gut issues from it. Great for histamine resistance , gut and inflammation in the gut. Not about the energy . Excellent for acid reflux, gerd on histamine related food and wine. No side effects . Easy to swallow .
C**O
Good brand
Great product and brand
C**E
Elegí el mejor
Llego muy rápido, en excelente condiciones tengo 40 años y espero q me ayude a mejorar mi energía y q mi calidad de salud sea favorable
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.
L**Y
No siento ningún efecto
Llevo casi un mes consumiendo el producto en las noches y no funciona. No gastes.
Trustpilot
2 weeks ago
1 month ago