--- product_id: 123693312 title: "FS L Theanine 300mg, Natural L-Theanine from Green Tea, 90 Capsules" brand: "focus" price: "€ 55.33" currency: EUR in_stock: true reviews_count: 13 category: "Focus" url: https://www.desertcart.hr/products/123693312-fs-l-theanine-300mg-natural-l-theanine-from-green-tea store_origin: HR region: Croatia --- # 750mg high-strength Green Tea Extract 300mg pure L-Theanine per serving Made in ISO-certified UK facility FS L Theanine 300mg, Natural L-Theanine from Green Tea, 90 Capsules **Brand:** focus **Price:** € 55.33 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your focus, naturally and powerfully. ## Quick Answers - **What is this?** FS L Theanine 300mg, Natural L-Theanine from Green Tea, 90 Capsules by focus - **How much does it cost?** € 55.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/123693312-fs-l-theanine-300mg-natural-l-theanine-from-green-tea) ## Best For - focus enthusiasts ## Why This Product - Trusted focus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pure Calm Focus:** 300mg L-Theanine delivers clean, caffeine-free mental clarity - • **Clean & Conscious:** Dairy, gluten, allergen-free, vegan-friendly formula - • **UK Quality Assurance:** Manufactured in ISO-licensed UK facilities with strict standards - • **Potent Green Tea Power:** 750mg Green Tea Extract for maximum natural efficacy - • **Science-Backed Wellness:** Trusted, non-GMO supplement crafted for optimal cognitive health ## Overview FS L-Theanine offers a high-strength, pure 300mg dose of L-Theanine derived from 750mg Green Tea Extract per serving, free from caffeine and allergens. Manufactured in ISO-certified UK facilities, this vegan-friendly supplement supports calm, focused mental performance with premium, non-GMO ingredients. ## Description FS L-Theanine, 90 Capsules, 300mg from Green Tea Extract, High Strength | L Theanine from Green Tea | 300mg Per Serving | Calm & Focus Formula | Non-GMO, Gluten Free | UK Made : desertcart.co.uk: Health & Personal Care Review: Best L-Theanine supplement I have tried - I have been using L-Theanine for around 8 months now. I first tried 200mg and found that though there was a difference, it wasn’t enough. I moved on to 250mg and felt the same way. After this there seemed only to be 400mg, which seemed like too much. But then I found Focus Supplements had made a 300mg supplement, and after taking it I found that this is the perfect dosage. I have been using this particular brand of L Theanine for 2-3 months and I couldn’t be happier. They are tasteless, relatively easy to swallow, and a good price. But most of all they help... a lot. I take just one pill each morning and have found that my anxiety levels severely reduce for the rest of the day. No problems with sleep either, which is a bonus for me. I am very happy with these pills and don’t see the need to try any others given the changes I have experienced. It’s nice to be able to go outside once again without crippling feelings of anxiety. Review: Working L-THEANINE - This is second time I have purchased an L-THEANINE supplement. Having recently tried an alternative brand at a lower 200mg dose, stacking it alongside a morning espresso to take the edge off any negative caffeine effects. This FS L-THEANINE has had a much more powerful effect for me personally than the first supplement I tried from a different company, possibly due to a 300mg dose per capsule. I have taken as much as 900mg on an evening just before getting into a hot Epsom Salts bath and it induces the most calming sleepy effect on me (As opposed to just taking an Epsom Salts bath without the L-THEANINE) I have had ZERO negative side effects since taking this product. I recently watched a YouTube video on the benefits of L-THEANINE, including why Green Tea drinkers experience no jitters compared to Coffee consumers. I highly recommend taking an L-THEANINE capsule alongside a coffee to give you mental focus, it's worked a treat for me. On the back of this I would now be happy to try a different supplement from FS having been incredibly impressed with their L-THEANINE offering. ## Features - HIGH STRENGTH L THEANINE - Each serving of 2 daily capsules provides 750mg Green Tea Extract Providing 300mg L-Theanine. Each bottle contains 90 capsules. - L THEANINE - L-Theanine is a compound that occurs in Green Tea and Black Tea, and it is also available in supplement form. We’ve stripped away the Caffeine and other additional ingredients found in Green Tea Extract leaving only L Theanine - A BETTER WAY TO SUPPLEMENT - Our L Theanine supplement is dairy, gluten and allergen free and suitable for vegans and vegetarians - MANUFACTURED IN ISO LICENSED FACILITIES IN THE UK - Our UK-based team of experts source only the highest quality ingredients that meet our strict quality control and hygiene standards. This product is Non-GMO. - FOCUS SUPPLEMENTS - Empowering wellness seekers with premium, science-backed supplements, Focus Supplements is your partner in unlocking optimal cognitive & overall health. Our meticulously crafted range combines purity, potency, and innovation, delivering trusted solutions for a balanced, thriving life. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07PWXXHZ6 | | Age Range Description | Adult | | Allergen Information | Contains: Gluten Free | | Benefits | Energy Management | | Best Sellers Rank | 29,460 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 260 in Stress & Anxiety Relief | | Brand | Focus | | Brand Name | Focus | | Container Type | Bottle | | Country Of Origin | United Kingdom | | Customer Reviews | 4.2 out of 5 stars 869 Reviews | | Dosage Form | Capsule | | Flavour | Green Tea | | Item Form | Capsule | | Item Highlight | L Theanine from Green Tea | 300mg Per Serving | Calm & Focus Formula | Non-GMO, Gluten Free | UK Made | | Item Weight | 300 Milligrams | | Item form | Capsule | | Item weight | 300 Milligrams | | Manufacturer | Focus Supplements | | Manufacturer Part Number | FS-LThea90-1 | | Material Features | Allergen Free, Gluten Free | | Model Number | FS-LThea90-1 | | Number of Items | 1 | | Product benefits | Energy Management | | Specific Uses For Product | stress and anxiety | | Unit Count | 90.00 count | | Unit count | 90.00 count | ## Product Details - **Age range (description):** Adult - **Brand:** Focus - **Flavour:** Green Tea - **Item form:** Capsule - **Item weight:** 300 Milligrams - **Number of items:** 1 - **Package information:** Bottle - **Product benefits:** Energy Management - **Specific uses for product:** stress and anxiety - **Unit count:** 90.00 count ## Images ![FS L Theanine 300mg, Natural L-Theanine from Green Tea, 90 Capsules - Image 1](https://m.media-amazon.com/images/I/71tPbNZe5eL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: This product did not arrive. Where is it?** A: This happened to me too, had to re-order. Will see if arrives this time. **Q: what is the source material for your L-theanine** A: Recommendations from a family member and a nutritionist, some research online, it definitely helped my anxiety **Q: Is this Sun Theanine?** A: No mate **Q: Is this suntheanine? I can't see on the packaging that it is and I understand that is the best type.** A: Yes it is ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best L-Theanine supplement I have tried *by J***A on 5 October 2019* I have been using L-Theanine for around 8 months now. I first tried 200mg and found that though there was a difference, it wasn’t enough. I moved on to 250mg and felt the same way. After this there seemed only to be 400mg, which seemed like too much. But then I found Focus Supplements had made a 300mg supplement, and after taking it I found that this is the perfect dosage. I have been using this particular brand of L Theanine for 2-3 months and I couldn’t be happier. They are tasteless, relatively easy to swallow, and a good price. But most of all they help... a lot. I take just one pill each morning and have found that my anxiety levels severely reduce for the rest of the day. No problems with sleep either, which is a bonus for me. I am very happy with these pills and don’t see the need to try any others given the changes I have experienced. It’s nice to be able to go outside once again without crippling feelings of anxiety. ### ⭐⭐⭐⭐⭐ Working L-THEANINE *by J***S on 13 May 2019* This is second time I have purchased an L-THEANINE supplement. Having recently tried an alternative brand at a lower 200mg dose, stacking it alongside a morning espresso to take the edge off any negative caffeine effects. This FS L-THEANINE has had a much more powerful effect for me personally than the first supplement I tried from a different company, possibly due to a 300mg dose per capsule. I have taken as much as 900mg on an evening just before getting into a hot Epsom Salts bath and it induces the most calming sleepy effect on me (As opposed to just taking an Epsom Salts bath without the L-THEANINE) I have had ZERO negative side effects since taking this product. I recently watched a YouTube video on the benefits of L-THEANINE, including why Green Tea drinkers experience no jitters compared to Coffee consumers. I highly recommend taking an L-THEANINE capsule alongside a coffee to give you mental focus, it's worked a treat for me. On the back of this I would now be happy to try a different supplement from FS having been incredibly impressed with their L-THEANINE offering. ### ⭐⭐⭐⭐ Good but pricey *by S***A on 9 July 2024* Good quality and results, it does calm me down through the day but a bit expensive to maintain, I've changed to similar and cheaper. ## Frequently Bought Together - FS L Theanine | 90 L-Theanine Capsules from Green Tea - High Strength 750mg Green Tea Extract Providing 300mg Theanine per Serving | L-Theanine Supplement | Non-GMO Gluten Free | Made in The UK - Apigenin Sleep Supplement, 90 Capsules - Apigenin 100mg from Grapefruit Peel for Natural Sleep Aid, NAD Enhancement, & Immune Support - Vegan Dietary Supplements for Men & Women by Vitality PRO - Magtein® Magnesium – 120 Capsules – High Strength 2100mg – Pullulan Capsules – UK Made to GMP & HACCP Standards – Zero Additives --- ## 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.hr/products/123693312-fs-l-theanine-300mg-natural-l-theanine-from-green-tea](https://www.desertcart.hr/products/123693312-fs-l-theanine-300mg-natural-l-theanine-from-green-tea) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-10-17*