--- product_id: 685676431 title: "NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula*" brand: "naturebell" price: "$47.98" currency: USD in_stock: true category: "Nature Bell" url: https://www.desertcart.us/products/685676431-naturebell-l-theanine-supplement-400-capsules-400mg-max-potency-amino store_origin: US region: United States of America --- # fast-absorbing free-form L-theanine 400mg max potency per capsule third-party lab tested purity NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* **Brand:** naturebell **Price:** $47.98 **Availability:** βœ… In Stock ## Summary > πŸ’Ό Stay sharp, stay calmβ€”power your hustle with NatureBell L-Theanine! ## Quick Answers - **What is this?** NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* by naturebell - **How much does it cost?** $47.98 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/685676431-naturebell-l-theanine-supplement-400-capsules-400mg-max-potency-amino) ## Best For - naturebell enthusiasts ## Why This Product - Trusted naturebell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Clean & Trusted Quality:** Third-party tested, non-GMO, gluten-free, and allergen-free for peace of mind. - β€’ **Max Potency Calm & Focus:** 400mg pure L-Theanine delivers powerful, non-drowsy relaxation and mental clarity. - β€’ **Rapid Absorption Formula:** Free-form amino acid structure ensures quick uptake for on-the-go professionals. - β€’ **Unflavored & Easy to Take:** No artificial flavors or fillersβ€”just pure, effective calm in every capsule. - β€’ **Bulk Supply for Daily Wellness:** 400 capsules provide long-lasting support without frequent reordering FOMO. ## Overview NatureBell L-Theanine Supplement offers a potent 400mg dose of pure, free-form L-theanine per capsule, designed for fast absorption to promote relaxation, calmness, and focus without drowsiness. With 400 capsules per bottle, this third-party tested, allergen-free formula supports daily mental clarity and balanced wellness, making it an ideal choice for busy professionals seeking natural cognitive support. ## Description Buy NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* on desertcart.com βœ“ FREE SHIPPING on qualified orders ## Features - Max Potency Support: NatureBell L-Theanine supplement delivers 400mg per serving to support daily calmness, relaxation, and lasting focus* - Daily Calmness Support: This calming supplement* provides pure L-theanine to help encourage a sense of ease and balanced wellness without drowsiness* - Fast Absorbing Amino Acid: Features free-form L-theanine, a naturally occurring amino acid designed for efficient absorption and everyday amino acid support - Third-Party Tested: These capsules are third-party lab tested for quality and potency; they are also non-GMO, gluten-free, soy-free, dairy-free, wheat-free, egg-free, and peanut-free - Pure, High-Quality Ingredients: At NatureBell, we use only the finest ingredients to help support you on your health and wellness journey ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DDCW97QV | | Age Range Description | Adult | | Best Sellers Rank | #30,772 in Health & Household ( See Top 100 in Health & Household ) #489 in Amino Acid Nutritional Supplements | | Brand | NatureBell | | Brand Name | NatureBell | | Customer Reviews | 4.6 out of 5 stars 576 Reviews | | Flavor | Unflavored | | Item Dimensions | 6.14 x 2.99 x 2.91 inches | | Item Form | Capsule | | Item Weight | 4 Ounces | | Manufacturer | NatureBell | | Manufacturer Part Number | BA-NB-LT400C | | Number of Items | 1 | | Primary Supplement Type | nutritionalsupplement | | Product Benefits | amino-acids | | Specific Uses For Product | amino-acids | | UPC | 850062082250 | | Unit Count | 400.00 Count | ## Product Details - **Age Range (Description):** Adult - **Brand:** NatureBell - **Flavor:** Unflavored - **Item Form:** Capsule - **Item Weight:** 4 Ounces - **Item dimensions L x W x H:** 6.14 x 2.99 x 2.91 inches - **Number of Items:** 1 - **Primary Supplement Type:** nutritionalsupplement - **Product Benefits:** amino-acids - **Unit Count:** 400.00 Count ## Images ![NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* - Image 1](https://m.media-amazon.com/images/I/71we7uosnIL.jpg) ![NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* - Image 2](https://m.media-amazon.com/images/I/813voHMwDAL.jpg) ![NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* - Image 3](https://m.media-amazon.com/images/I/71MOVyfBDEL.jpg) ![NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* - Image 4](https://m.media-amazon.com/images/I/71+eKRNTHQL.jpg) ![NatureBell L-Theanine Supplement - 400 Capsules - 400mg Max Potency Amino Acid Support - for Relaxation, Calm, and Focus - Non-Drowsy Free-Form Formula* - Image 5](https://m.media-amazon.com/images/I/71iOJveaS5L.jpg) ## Frequently Bought Together - L-Theanine Supplement 400mg Per Serving, 400 Capsules | Max Potency Relaxation & Focus Support – Bioavailable Free Form – Natural Amino Acid – Non-Drowsy – Non-GMO - Magnesium Glycinate Capsules 500mg | 240 Count, 100% Chelated & Purified, 3rd Party Tested, Non-GMO & Gluten Free - L Tyrosine Supplement, 1,500mg Per Serving, 240 Capsules | Essential Amino Acids – Brain Health Support for Memory, Cognitive Health, and Mental Alertness – Non-GMO --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/685676431-naturebell-l-theanine-supplement-400-capsules-400mg-max-potency-amino](https://www.desertcart.us/products/685676431-naturebell-l-theanine-supplement-400-capsules-400mg-max-potency-amino) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-07*