- Home Page /
- Health and Medicine /
- Vitamins and Supplements /
- Dietary supplements /
- Doctors Best L-Theanine with Suntheanine , Non-GMO, Glu...
0 ratings
Item #:
19097749
Doctors Best L-Theanine with Suntheanine , Non-GMO, Gluten Free, Vegan, Helps Reduce Stress and Sleep, 150 mg 90 Veggie Caps
Item #:
19097749
USD 44
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 100 items left in stock.
Order now and get it around Tuesday, August 11
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Doctor's Best(R) L-Theanine with Suntheanine(R) supports relaxation without drowsiness to help manage stress and tension.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Stress Relief
Formulated with Suntheanine, this supplement effectively promotes relaxation and reduces stress, making it an excellent choice for individuals seeking calmness in their daily lives.
Non-GMO & Vegan
Crafted to suit various dietary preferences, these veggie caps are both Non-GMO and vegan, ensuring consumers can take them with confidence regardless of their dietary restrictions.
Quality Ingredients
Doctors Best prioritizes high-quality ingredients, guaranteeing that each 150 mg capsule delivers optimal potency, allowing for enhanced sleep support and overall well-being for users.
Product Details
- Doctor?s Best L-Theanine with Suntheanine® is an amino acid that promotes a relaxed state without drowsiness, eases stress and everyday tension, and promotes a positive mood and alertness.* The formula uses L-Theanine with Suntheanine®, a patented form of the amino acid L-theanine. L-theanine is an amino acid found in green tea that is responsible for the relaxation-inducing effect of tea consumption.* L-Theanine with Suntheanine® may improve sleep quality, enhance mental acuity and soothe away tension and nervousness.
| Brand | Doctor's Best |
| Size | 150 mg |
| Enteral medication & supplement form | Capsules |
| Primary ingredient | Theanine |
| Vitamin & supplement type | L-Theanine, Amino Acid Supplements |
| Count | 90 |
| Age group | Adult |
| Label image | Drug Facts, Ingredient List |
| Assembled product weight | 0.01 lbs (0 grams) |
| Dosage | 140MG |
| Ingredients | Doctor's Best - Suntheanine L-Theanine 150 mg. - 90 Vegetarian Capsules Supplement Facts Serving Size: 1 Capsule Servings Per Container: 90 Servings Amount Per Serving %DV* Suntheanine L-theanine 150 mg * *Daily Value Not Established.†Percent Daily Values are based on a 2,000 calorie diet. Your diet values may be higher or lower depending on your calorie needs. Other Ingredients: Rice powder, modified cellulose (vegetarian capsule) |
| Dietary method | Vegan |
| Nutrient content claims | Vegan |
| Package Weight | 1 Pound |
Who Should Buy?
-
Stress Relief Seekers
Individuals looking to lower stress levels and promote relaxation through natural supplements may benefit from this product.
-
Sleep Improvement
Those struggling with occasional sleep issues may find this L-Theanine supplement helpful in enhancing sleep quality.
-
Health-Conscious Consumers
Vegan and gluten-free users who prefer non-GMO products will appreciate the clean formulation of this dietary supplement.
-
Pregnant Women
Expecting mothers should avoid supplementation without consulting a healthcare professional to ensure safety for their condition.
Product Description
About This Item
Introducing Doctors Best L-Theanine with Suntheanine - the perfect supplement for reducing stress, promoting relaxation, and improving sleep. Made with non-GMO, gluten-free, and vegan ingredients, this high-quality dietary supplement is designed to help you achieve a state of calm without drowsiness. Each capsule contains 150mg of L-Theanine with Suntheanine, a patented form of L-Theanine that is proven to be highly effective. L-Theanine is a natural amino acid found in green tea that has been used for centuries to promote relaxation and reduce anxiety. With just one capsule a day, taken away from food, you can experience the benefits of L-Theanine.
Whether you're battling stress, having trouble sleeping, or struggling with anxiety, this supplement can provide the relief you need. Not only is it backed by science, but it is also recommended by nutritionally-informed physicians. Each bottle contains 90 veggie capsules, giving you a month's supply of this amazing supplement. Don't settle for subpar L-Theanine supplements. Choose Doctors Best, a top-rated brand known for its commitment to quality and purity.
Our L-Theanine capsules are free from additives and fillers, ensuring that you're getting only the purest form of this powerful amino acid. Join the thousands of satisfied customers who have experienced the benefits of L-Theanine. Order your bottle today and take the first step towards a more relaxed and restful life. Shop the best L-Theanine supplement at Ubuy now.
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this product suitable for vegans?
Answer: Yes, it is vegan and also non-GMO, gluten-free, and soy-free. -
Question:
Is there a recommended time to take the capsule?
Answer: It is recommended to take 1 capsule daily without food, or as advised by a nutritionally-informed physician. -
Question:
Has this product been evaluated by the FDA?
Answer: No, these statements have not been evaluated by the Food & Drug Administration.
Doctor's Best Dietary supplements Editorial Review
No editorial reviews found
Customer Reviews & Ratings
38 customers ratings
-
5 Star
76%
-
4 Star
13%
-
3 Star
5%
-
2 Star
0%
-
1 Star
5%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
USD 44
Order now and get it around Tuesday, August 11
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Promotes relaxation without drowsiness
- Purest form of L-theanine on the market
- Amino acid in green tea
- Supports sleep quality and mental acuity
- 1 capsule daily without food
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.