In stock
Doctor's Best
Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress and Sleep, Non-GMO, Gluten Free, Vegan, 150 mg 90 Veggie Caps (DRB-00197)
Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress and Sleep, Non-GMO, Gluten Free, Vegan, 150 mg 90 Veggie Caps (DRB-00197)
brain health, calmness, doctor's best l-theanine, healthy mood, reduce stress, suntheanine, usa
Couldn't load pickup availability
Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress and Sleep, Non-GMO, Gluten Free, Vegan, 150 mg 90 Veggie Caps (DRB-00197)
- Doctor s Best L-Theanine contains Suntheanine, a pure form of L-Theanine on the market produced via a patented process that mimics the natural process in green tea leaves. L-Theanine helps promote a healthy mood and a restful relaxed state while maintaining daytime alertness
- CALMNESS L-Theanine supports relaxation and a sense of calm without causing drowsiness or loss of focus. This amino acid found naturally in tea helps support healthy stress response, relaxation, focus and memory
- SUPPORTS BRAIN HEALTH - L-Theanine is a powerful Amino Acid that enhances cognitive performance and alertness. L-Theanine may help improve quality of sleep, learning performance, concentration and help support the immune system. L-Theanine may also help reduce the negative effects of caffeine
- SUNTHEANINE - L-theanine is an agent that is used for nervousness and tension by supporting mental tranquility. Suntheanine may normalize the body s stress response and condition the body to handle stressful situations better
Suntheanine l-theanine contains 100% suntheanine, a patented pure form of the amino acid l-theanine produced in japan from green tea leaves. this award-winning brand of theanine has been the subject of numerous safety studies and human clinical trials. one of green tea's natural health-promoting compounds, l-theanine (y-glutamylethylamide) is synthesized in the roots of tea plants and transported to the leaves, comprising about 2% of the total dry weight of green tea leaves. it is the ingredient that is responsible for both the taste and the relaxing effects of green tea. research shows that supplemental l-theanine crosses the blood-brain barrier within 30 minutes of intake and thus is able to exert its effects directly on the brain.
- Brand: Doctor's Best
- Specific Uses For Product: L-Theanine (Suntheanine) 150 mg
- Product Benefits: Thyroid Support
- Item Form: Capsule
- Diet Type: Gluten Free
- Dosage Form: 150
- Allergen Information: Gluten Free
- Material Feature: Vegetarian
- Unit Count: 90 Count
- Item Dimensions LxWxH: 2.13 x 2.13 x 3.69 inches

Last 10 Orders Dispatches
Latest Fulfilled Orders & Tracking Details
| Order Number | Courier | Tracking Number |
|---|---|---|
| 4615 | UPS | 1Z7F6R980411205100 |
| 4614 | UPS | 1Z7F6R980411205100 |
| 4605 | UPS | 1Z7F6R986700995099 |
| 4604 | UPS | 1Z7F6R986717285262 |
| 4597 | UPS | 1Z7F6R986706755257 |
| 4594 | UPS | 1Z7F6R986700355057 |
| 4590 | UPS | 1Z7F6R986732324584 |
| 4582 | Australia Post | 3743L5000505 |
| 4580 | UPS | 1Z7F6R986728907702 |
| 4579 | UPS | 1Z7F6R986726826464 |
For full list visit the Order tracking page
Why buy from us?
-
30 Days Return Policy
Return unused products anytime within 30 days after delivery.
-
Return Pickup at Doorstep
Enjoy doorstep pickup for return orders, making returns effortless.
-
Track Orders
Stay updated with real-time tracking and door-to-door delivery details.