--- product_id: 528871112 title: "VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules" brand: "vitamonk" price: "972278₫" currency: VND in_stock: true reviews_count: 8 category: "Vita Monk" url: https://www.desertcart.vn/products/528871112-vitamonk-l-theanine-400mg-supplement-l-theanine-400mg-with-no store_origin: VN region: Vietnam --- # 100% natural, non-GMO ingredients 400mg extra strength dose boosts alpha brain waves for focus VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules **Brand:** vitamonk **Price:** 972278₫ **Availability:** ✅ In Stock ## Summary > 💡 Elevate your calm, sharpen your mind—because stress is so last season. ## Quick Answers - **What is this?** VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules by vitamonk - **How much does it cost?** 972278₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/528871112-vitamonk-l-theanine-400mg-supplement-l-theanine-400mg-with-no) ## Best For - vitamonk enthusiasts ## Why This Product - Trusted vitamonk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pure & Clean:** No artificial fillers or GMOs—just premium, natural relaxation support. - • **Trusted Quality:** Third-party tested for purity and potency, ensuring you get exactly what you pay for. - • **Double the Power:** 400mg per capsule—2x stronger than typical supplements for maximum calm. - • **Brain Boosting Calm:** Promotes alpha brain waves linked to creativity, memory, and alertness—perfect for busy pros. - • **Stress Less, Focus More:** Clinically shown to balance cortisol and enhance mental clarity without drowsiness. ## Overview VitaMonk L Theanine delivers a potent 400mg dose per capsule, doubling the strength of most competitors. Made with all-natural, non-GMO ingredients and free from artificial fillers, it supports stress reduction by maintaining healthy cortisol levels while enhancing focus and mental clarity through increased alpha brain waves. Third-party tested for quality, this supplement is designed for professionals seeking calm without drowsiness and cognitive edge in a busy world. ## Description Buy VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules on desertcart.com ✓ FREE SHIPPING on qualified orders Review: Great product and value! - I love this vitamin, I use it nightly to help me sleep and relax. This is the best one I've found! Review: Peaceful sleep - Great product, extremely effective in i during sleep by quietly sliww mine brain chatter ## Features - We've developed a premium-quality Theanine supplement that contains an extra-large dose of 400mg per serving. These are 2x most other l Theanine 200mg capsules and 4x other l Theanine 100 mg capsules on the market. - Theanine is an Amino Acid found in tea leaves, particularly in green tea. It's been used for centuries to help people relax, reduce stress, and promote a sense of calm. - One of the key benefits of L-Theanine is its ability to promote relaxation and reduce stress. Cortisol is a hormone that is released in response to stress. Studies have shown that L-Theanine powder can help to maintain cortisol levels within normal range. L-Theanine can help to promote relaxation and calmness, without causing drowsiness. - Another benefit of Theanine is its ability to improve cognitive function and mental clarity. Theanine has been shown to increase alpha brain waves, which are associated with creativity, focus, and mental alertness. It's also been shown to improve memory and learning ability, making it a great choice for students or professionals who need to be at their best mentally. - At our company, we're committed to using only the highest quality, all-natural ingredients in our supplements. Our Theanine supplement is no exception. We use only non-GMO ingredients, and our capsules are easy to swallow and ensure efficient absorption. Our supplement is also third-party tested, so you can be sure you're getting a safe and effective product. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BHR4FT1G | | Best Sellers Rank | #105,807 in Health & Household ( See Top 100 in Health & Household ) #4,830 in Blended Vitamin & Mineral Supplements | | Customer Reviews | 4.6 4.6 out of 5 stars (176) | | Date First Available | April 14, 2023 | | Manufacturer | VitaMonk | | Package Dimensions | 4 x 3 x 1 inches; 1.59 ounces | ## Product Details - **Age Range (Description):** Adult - **Brand:** VitaMonk - **Dosage Form:** Capsule - **Item Form:** Capsule - **Item Weight:** 0.05 Kilograms - **Material Feature:** GMO Free - **Number of Items:** 1 - **Package Information:** Bottle - **Product Benefits:** Relaxation - **Unit Count:** 60 Count ## Images ![VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules - Image 1](https://m.media-amazon.com/images/I/616upEQzsbL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product and value! *by K***E on December 18, 2025* I love this vitamin, I use it nightly to help me sleep and relax. This is the best one I've found! ### ⭐⭐⭐⭐⭐ Peaceful sleep *by T***L on October 14, 2025* Great product, extremely effective in i during sleep by quietly sliww mine brain chatter ### ⭐⭐⭐⭐⭐ Great sleep aid *by P***A on November 8, 2025* Perfect way to help me sleep ## Frequently Bought Together - VitaMonk L Theanine 400mg Supplement - L-Theanine 400mg with No Artificial Fillers - Extra Strength L Theanine Supplement - Ltheanine 60 Capsules - Magnesium L Threonate, Magtein™, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules - VitaMonk Melatonin Free Sleep Aid With Magnesium, GABA, Theanine and Apigenin - Natural Sleep Aid Without Melatonin, Natural Sleep Aids for Adults, Sleeping Pills for Adults, Sleeping Aids for Adults --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/528871112-vitamonk-l-theanine-400mg-supplement-l-theanine-400mg-with-no](https://www.desertcart.vn/products/528871112-vitamonk-l-theanine-400mg-supplement-l-theanine-400mg-with-no) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-11*