- Home Page /
- Health & Household /
- Health & Supplements /
- Sleep Supplements /
- L-Theanine 400 mg - L Theanine for Stress Relief - Plan...
0 ratings
Item #:
139337034
L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep
88% of respondents would recommend this to a friend
Item #:
139337034
PHP 1691
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:
Order now and get it around Sunday, August 30
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
L-Theanine 400mg — Don’t stress & do your best! Sleep well with l theanine 400mg! Provides calming & relaxing effect on the body, supports good sleep, and the ability to deal with stress.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Extra Strength Formula
Each capsule provides 400 mg of L-Theanine, delivering powerful stress relief and promoting relaxation effectively compared to other supplements.
Vegan and Non-GMO
Crafted from plant-based ingredients, this gluten-free supplement ensures a clean and ethical choice for health-conscious consumers.
Manufactured in USA
Produced in the USA under strict quality standards, guaranteeing safety, efficacy, and reliability in every bottle for peace of mind.
Product Details
- 400 mg extra strength L-Theanine supplements
- Made in the USA for quality assurance
- Promotes stress relief, focus, and relaxation
- Available in gummies, liquid, and pill forms
- Suitable for men and women
- Includes 60 vegan capsules
| Package Dimensions | 4.41 x 2.28 x 2.24 inches (11.2 x 5.8 x 5.7 cm); 0.01 ounces (0.28 grams) |
| Item model number | 5 |
| Date First Available | June 28, 2023 |
| Manufacturer | Distributed by Nutra Harmony LLC |
| Brand Name | NUTRAHARMONY |
| Primary Supplement Type | L-Theanine |
| Item Form | Capsule |
| Diet Type | Vegan |
| Product Benefits | Sleep Support |
| Age Range Description | Adult |
| Container Type | Bottle |
| Dosage Form | Capsule |
| Model Name | NH-LTHEANINECPS120 |
| Supplement Formulation | Individual Supplement |
| UPC | 850053814006 |
| Model Number | 5 |
| Manufacturer Part Number | 5 |
| Unit Count | 120 Count |
| Item Weight | 400 milligrams |
| Number of Items | 1 |
| Total Servings Per Container | 60 |
| Flavor | Unflavored |
| Special Ingredients | L-Theanine |
| Material Features | Dairy Free |
| Material Type Free | Caffeine Free |
| Allergen Information | Gluten Free |
Who Should Buy?
-
Stress Management
Ideal for individuals dealing with everyday stress and seeking a natural remedy for relaxation and calm.
-
Sleep Support
Beneficial for those struggling with insomnia or disrupted sleep patterns who need assistance in achieving restful sleep.
-
Mindfulness Practitioners
Great for individuals practicing meditation or yoga who seek to enhance focus and maintain a calm state of mind.
-
Medication Interactions
Not suitable for individuals on medications that could interact negatively with amino acid supplements like L-Theanine.
Product Description
L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO
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:
What are the benefits of taking L-Theanine 400 mg?
Answer: L-Theanine 400 mg is known for promoting relaxation and reducing stress without causing drowsiness. This amino acid, naturally found in tea leaves, supports mental clarity and focus, making it ideal for stress relief during busy workdays or before important tasks. Many users find that taking this supplement helps them achieve a calm state, enhancing productivity while maintaining alertness, perfect for anyone balancing a hectic lifestyle. -
Question:
How does L-Theanine work in the body?
Answer: L-Theanine works by increasing the levels of calming neurotransmitters like GABA, serotonin, and dopamine, which can help ease anxiety and stress. It promotes an alpha brain wave state, often associated with relaxed alertness. This makes L-Theanine a beneficial supplement for individuals looking to foster a peaceful mental state, whether it’s before a big presentation or during activities requiring focus and clarity. -
Question:
Can L-Theanine help with sleep quality?
Answer: Yes, L-Theanine may improve sleep quality by promoting relaxation and reducing anxiety levels. By facilitating a calmer mind, users often report falling asleep more easily and experiencing deeper sleep cycles. For those who struggle with sleep due to racing thoughts, incorporating L-Theanine into their nightly routine can create a more restful atmosphere, leading to better overall sleep hygiene. -
Question:
Is L-Theanine suitable for both men and women?
Answer: Absolutely! L-Theanine is suitable for both men and women, offering stress relief and relaxation benefits irrespective of gender. Its non-stimulant properties make it a versatile option for anyone coping with daily stressors, from professionals to students. Regardless of age or lifestyle, it can fit seamlessly into either men’s or women’s wellness routines. -
Question:
How often should I take L-Theanine?
Answer: The typical recommended dosage is 400 mg, taken once a day or divided into smaller doses throughout the day, depending on individual needs. Beginners or those new to supplementation may start with a lower dosage to assess their tolerance. This flexibility makes it suitable for people seeking calm throughout busy days or before facing stress-inducing situations. -
Question:
Are there any side effects associated with L-Theanine?
Answer: L-Theanine is generally considered safe with minimal side effects. Some users may experience mild headaches or gastrointestinal discomfort. Because it promotes relaxation, some may also feel slightly drowsy, especially at higher doses. It’s advisable to consult a healthcare professional before starting any supplement, particularly if you’re taking other medications or have underlying health conditions. -
Question:
Can I take L-Theanine with caffeine?
Answer: Yes, L-Theanine can be taken alongside caffeine. In fact, many people use L-Theanine to counteract the jitteriness that can accompany caffeine consumption. This combination can enhance cognitive performance and focus without the adverse effects of caffeine alone. It’s especially popular among students and professionals looking to maximize brain function when facing demanding tasks. -
Question:
What forms does L-Theanine come in?
Answer: L-Theanine is available in various forms, including capsules, tablets, and powders. Capsules and tablets are convenient for on-the-go lifestyles, while powders can be mixed into beverages for more versatile use. This variety allows individuals to choose the format that best fits their preferences and routines, ensuring they can easily incorporate stress-relief into their daily lives. -
Question:
Can I take L-Theanine if I’m pregnant or nursing?
Answer: While L-Theanine is generally regarded as safe, it's crucial for pregnant or nursing individuals to consult with a healthcare professional before taking any new supplements. This step ensures both the mother's and infant's health are prioritized. Tailoring health and wellness choices during this time is vital, so seek personalized guidance to make informed decisions. -
Question:
Where can I buy L-Theanine 400 mg in Philippines?
Answer: You can purchase L-Theanine 400 mg from Ubuy in Philippines. Ubuy offers a wide range of health supplements, ensuring you receive high-quality products. With just a few clicks, you can find this extra-strength L-Theanine supplement tailored for relaxation and stress relief, making it accessible for those looking to improve their well-being.
Nutritionist's Take
L Theanine 400 mg is a well-regarded supplement among nutritionists, primarily for its potential to promote relaxation and reduce stress without causing sedation. L-Theanine, an amino acid found in tea leaves, may enhance mood and cognitive function by increasing GABA, dopamine, and serotonin levels. This product's formulation, being plant-based, non-GMO, and gluten-free, makes it suitable for various dietary restrictions. However, potential drawbacks include the need for further research on long-term effects and individual sensitivity to L-Theanine. Although deemed safe for most individuals, those on medication or with specific health concerns should consult a healthcare provider before use. Overall, L Theanine 400 mg can be a beneficial addition to a holistic wellness regimen for stress relief and sleep support.
NUTRAHARMONY Sleep Supplements 5 Editorial Review
**** The L-Theanine 400 mg supplement has garnered a notable reception for its effectiveness in promoting relaxation and improving sleep quality among users. Many customers praise its ability to help them unwind after stressful days without the grogginess commonly associated with other sleep aids like melatonin. Users report deeper sleep and a reduction in sleep-related issues, with several noting an improvement in their dream recall, even if it's less vivid than before. The supplement has made a significant impact on long-time sufferers of sleep difficulties, with some stating that it has successfully replaced other sleep aids in their routines. Positive experiences extend to the area of mood enhancement, with numerous users highlighting its role in managing anxiety and stress levels, benefiting their overall mental health. Moreover, many customers appreciate the high potency of this product, noting that the 400 mg dosage is significantly more effective than lower strength alternatives available on the market. The ease of swallowing and lack of side effects add to the positive user experience, contributing to the overall satisfaction with this supplement. In summary, the L-Theanine 400 mg supplement serves as a reliable choice for those seeking natural support for sleep and stress relief, with many expressing eagerness to continue its use due to the noticeable benefits it provides. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Effective in improving sleep quality and relaxation.
- Helps alleviate stress and anxiety.
- Users report deeper sleep and enhanced mood.
- High potency (400 mg) noted for better results compared to lower dosages.
- Easy to swallow and minimal side effects.
Cons
- Some users may initially experience alterations in dream recall (less vivid dreams).
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
Related Categories
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.
PHP 1691
Order now and get it around Sunday, August 30
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
- 400mg L-Theanine provides calming and relaxing effect and supports good sleep.
- Encourages brain-wave activity which improves concentration and promotes a more focused state of mind.
- 100% Natural source, GMO-free, Dairy-free, Gluten-free, Nut-free, Wheat-free, Soy-free, Nightshade-free, Sugar-free.
- Made in the USA with highest quality green tea.
- Excellent and effortless choice for improving health.
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.